1. MPPT Auto Detection: When you press the AUTO MPPT test button, the instrument will automatically adjust the test time interval according to the current power value and update the digital display. For example, when the solar panel power is 100W, update once every 5 seconds.
2. Manual MPPT detection: By pressing the manual MPPT test button, the meter starts a maximum power point scan and updates the digital display.
3. Real-time display of open circuit voltage: The open circuit voltage will be displayed on the large LCD screen at any time, giving you a better experience.
4. Large LCD Display with Backlight: The upgraded screen adopts large LCD with backlight, you can turn the screen on or off with your likes.
5. Multiple protections: over voltage protection, over temperature protection, over current protection and over voltage protection.
6. Wide Applications: This multimeter can be widely used by PV panel manufacturers, PV panel distributors, PV panel installers, PV panel users and PV panel fans.

1. Product size: 11.3x5.4x2.2cm
2. Product weight: 102g
3. Battery type: 800mAh lithium battery
4. DC voltage range: 600V
5. AC voltage range: 600V
6.Capacitance range: 60mF
7. LED color display, easy to see the data intuitively
8. Small and portable, does not take up space and is widely used

1. Test the pH level and temperature of the solution/water with data storage function.
2. Pocket size, lightweight and portable with switchable backlight and large LCD display for clear reading.
3. Replaceable pH Sensor Probe - The electrode probe can be replaced with an insert type design for convenient and quick replacement.
4. ATC (automatic temperature compensation) function, automatic calibration and IP65 fully waterproof design.
5. Apply to water sources, soilless cultivation, aquariums, hydroponics, laboratory, spas, swimming pools and other water systems.
6. Power supply: 2 x AAA batteries (not included)

1. Fast response speed, high precision, its stability, good repeatability.
2. The apparatus is widely used in metallurgy, power plants, farms, mines, chemical and scientific research, medical, pharmaceutical, environmental protection and other fields.
3. With a large LCD screen showing the measured results, you can get the concentration of ammonia gas at a glance.
4. The ammonia gas monitor has audible and visual alarm, you can set a decibel of audible alarm which can give you an obvious prompt.
5. Portable and portable, easy to use and carry.
6. Power supply: 3.7V lithium battery.

1. Portable design and non-slip pen grip for easy use.
2. Built-in Automatic Temperature Compensation (ATC) for accurate results.
3. Measuring Range: 0.00ppt-9.99ppt 10.0ppt-50ppt, very easy to test.
4. With temperature unit in C/F (switchable) and switchable backlight for convenient use in the dark.
5. With replaceable sensor probe, the electrode probe can be replaced with insert type design for convenient and quick replacement.
6. Suitable for water source monitoring, aquaculture, environmental protection, printing and dyeing, electroplating, beverage industry and scientific research unit to determine the salinity of water quality.
7. Power supply: LR44 battery x 4pcs (not included).

1. This infrared thermometer is used to measure the surface temperature of the object, applicable to various hot, dangerous or hard-to-reach objects without contact
2. Quickly and safely
3. Response time 500mSec, 95% response.
4. Spectral response: 5-14 um
5. This unit is composed of optics, temperature sensor signal amplifier, processing circuit and LCD display. The optics collected the infrared energy emitted by the object and focused on the sensor. Then the sensor translates the energy into an electrical signal. This signal will be digital shown on the LCD after the signal amplifier and processing circuit
6. Power supply: 2 x AAA batteries (not included)

1. This infrared thermometer is used to measure the surface temperature of the object, applicable to various hot, dangerous or hard-to-reach objects without contact
2. Quickly and safely
3. Response time 500mSec, 95% response.
4. Spectral response: 5-14 um
5. This unit is composed of optics, temperature sensor signal amplifier, processing circuit and LCD display. The optics collected the infrared energy emitted by the object and focused on the sensor. Then the sensor translates the energy into an electrical signal. This signal will be digital shown on the LCD after the signal amplifier and processing circuit
6. Power supply: 2 x AAA batteries (not included)
7. Measuring range: -50-400 degrees Celsius

1. Measure the current wind speed, temperature
2. Measure wind speed / maximum wind flow / wind speed
3. Wind flow value 2/3 / average value
4. Selecting wind speed/flow units and temperature units
5. Real-time measurement when connecting USB with computer software
6. Backlight and data hold (Hold)
7. Low battery indication
8. Powered by rechargeable lithium-ion batteries
9. Automatic shutdown setting

1. This infrared thermometer is used to measure the surface temperature of the object, which is applicable for various hot, dangerous or dura-thoracic objects without contact
2. SALARY and quickly
3. Response time 500msec, 95% response
4. Spectral response: 5-14 UM
5. This unit consists of optics, temperature sensor signal amplifier, processing circuit and LCD display. The optics collected the infrared energy emitted by the object and focuses on the sensor. Then the sensor translates the energy into electricity signal. This signal will be revealed to be digital shown on the LCD after the signal amplifier and processing circuit
6. 9V battery (not included)

1. Measure the pH value of the solution
2. Measure the temperature of the solution
3. Keep LCD backlight
4. Data hold
5. Temperature unit switch
6. Clear memory
7. Solution temperature compensation
8. Low battery indication

1. Measure the pH value of the solution
2. Measure the temperature of the solution
3. Keep LCD backlight
4. Data hold
5. Temperature unit switch
6. Clear memory
7. Solution temperature compensation
8. Low battery indication

1. 14 grain varieties to choose from
2. Grain moisture test
3. Standard grain moisture setting
4. Humidity limit and voice prompt
5. Deviation adjustment
6. 4 types of voice reminder
7. Double edge sensors (metal probes)
8. LCD backlight display
9. Low battery warning
10. Automatic stop function
11. 4 x AA battery (not included)

1. 2.49kPa Digital Pressure Gauge, with USB Port
2. Large LCD, Hold Data
3. With differential mode and recording mode
4. Restore and adjust data
5. Low battery indication and automatic shutdown
6. 4 x AAA battery (not included)

1. This thermometer is used to measure the surface temperature of the object, which is applicable for various hot, dangerous or difficult toreach objects without contact safely and quickly.
2. LCD backlit display
3. Switching Celsius/Fahrenheit, auto-off
4. Temperature Range：-50~400 Celsius (-58~752 Fahrenheit)
5. Response time：500msec, 95% response
6. Spectral response：5~14um
7. 2 x 1.5V AAA battery (not included)

1. Automatic calibration to ensure accuracy.
2. Pairing status indication: Observe the pairing icon to learn whether the pairing is successful or not.
3. 10 thickness measurement and recall function, which makes it easier to work at height or work in the wild area.
4. Sound velocity measurement: With a certain thickness for sample hardware to measure the sound velocity, which avoids the additional conversion or table consultation.
5. 12 Speed ​​of sound for different material that also Adjus-
table.
6. Low battery indication
7. Auto power off mode designed to conserve battery life.
8. More than 10000 times long lift keys.
9. The unit has a special memory that retains all its setting even when the power is turned off.
10. Power supply: 3 x 1.5V AAA batteries (not included)

Characteristic:
1. It can test the electric field resistance and magnetic field resistance to achieve the optimal test result. It is widely used to test and learn the internal and external electromagnetic radiation situation. Suitable for measuring electromagnetic generated machine, measuring low frequency apparatus and high frequency radiation apparatus.
2. One instrument with dual uses, can test electric field and magnetic field at the same time.
2. Sound light alarm, when the test result exceeds the safe value, the instrument will alarm automatically.
3. Data lock, one-key lock the radiation value, and easily read the value.
4. Measure room temperature: with 2 temperature units (Celsius and Fahrenheit).
5. Radiation assessment, remember whether the radiation value is safe or not.
6. Fashionable design, easy hand operation, it is easy to carry and make field measurement.
Specifications:
1. Material: ABS plastic
2. Unit: V/M (electric field), micro T/mg (magnetic field)
3. Accuracy: electrical: 1V/m, magnetic: 0.01 micro T/0.1mg
4. Range: electric: 1-1999v/m, magnetic: 0.01-99.99 micro T/0.1-999.9mg
5. Alarm threshold: electrical: 40V/m, magnetic: 0.4 micro T/4MG
6. Display: 3-1/2 LCD display
7. Test bandwidth: 5Hz-3500MHz
8. Sampling time: about 0.4 seconds
9. Test mode: bimodule synchronous test
10. Overload indication: maximum value of measuring range on LCD
11. Operating Temperature: 0-50 Celsius Grade
12. Operating humidity: Relative humidity less than 80%
13. Working voltage: 3.7V
14. Power supply: 3.7V 600mAh lithium battery
15. Dimensions: 134 x 61 x 25mm
16. Weight: 131.3G

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 3A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. It is compatible with Bluetooth and can be connected to WiFi, quickly connect to the mobile phone, and the operation steps are simple; It can carry out voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 3A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. Through Bluetooth compatibility, quickly connect to your mobile phone, the operation steps are simple; You can perform voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 16A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. Through Bluetooth compatibility and WiFi connection, quickly connect to your mobile phone, the operation steps are simple; You can perform voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 16A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. Through Bluetooth compatibility, quickly connect to your mobile phone, the operation steps are simple; You can perform voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 3A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. It is compatible with Bluetooth and can be connected to WiFi, quickly connect to the mobile phone, and the operation steps are simple; It can carry out voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. Power: less than 1.5W
2. Temperature sensor: NTC3950, 10K
3. Temperature error: +/- 1 degree Celsius
4. Power consumption: less than 1.5W
5. Current load: 3A
6. Voltage: AC 95-240V 50-60Hz
7. Ambient temperature: 0-45 degrees Celsius
8. Temperature range: 5-45 degrees Celsius
9. Ambient Humidity: 5-95% relative humidity (non-condensing)
10. Protection level: IP20
11. Installation box: 60mm European round box
12. Dimensions: 131x75x37.5mm
Characteristics:
1. Suitable for electric heating, pipes and wall cabinets
2. Applicable system: The floor heating thermostat supports IOS and Andriod System application system
3. The thermostat can be controlled by your mobile phone anytime and anywhere. When you connect the thermostat with your mobile phone, the thermostat will display the local time, habits and humidity, and check the current status through the app
4. PC + ABS flame retardant shell, safe to use
5. LCD display, 2.5D ARC SAMFER + 13mm ultra-thin built-in panel, suitable for various wall spaces
6. Store data when power is off, no need to worry about power off
7. 7 programmable periods 5 + 1 + 1, which can improve comfort and energy saving strategies and adapt your home heating to your life
8. Through Bluetooth compatibility, quickly connect to your mobile phone, the operation steps are simple; You can perform voice control of smart home integration and heating. Just give voice commands to turn the thermostat on and off, and even set it to a specific temperature as needed
9. Support local data package/sharing, centralized control
10. App remote control, send you the current indoor temperature information, no matter where you are and how well it is, you can freely control the indoor temperature
11. Other functions: manual mode in programming mode, temperature calibration, child lock, anti-freeze function, high temperature protection, initial temperature difference, etc.

1. 100% brand new and high quality.
2. Small and lightweight, easy to carry.
3. The display devices use high-brightness LED digital tube, with stunning display effect.
4. With reverse polarity protection, reverse not burned.
5. The voltmeter only two wires, simple wiring and reliable performance.
6. Measuring range: DC 2.5-30V.
7. Working temperature: -10 ~ 65 degrees Celsius.
8. The red wire is connected to the positive pole and the black wire to the negative pole.

1. 100% brand new and high quality.
2. Small and lightweight, easy to carry.
3. The display devices use high-brightness LED digital tube, with stunning display effect.
4. With reverse polarity protection, reverse not burned.
5. The voltmeter only two wires, simple wiring and reliable performance.
6. Measuring range: DC 15-120V.
7. Working temperature: -10 ~ 65 degrees Celsius.
8. The red wire is connected to the positive pole and the black wire to the negative pole.

Features B>
1. Made of high quality material, solid, durable and strong conductivity.
2. Large LCD can display input/output voltage, output current/output power/output capacity/output time, easy to read.
3. CNC regulation is very accurate and fast, and it can also step up and cut off the voltage. The output voltage can be adjusted from 0.5-30V, while the current can be adjusted 0-4a as desired.
4. It has anti-reverse protection of input end protection, which will not burn, safe to use.
5. Anti-reverse irrigation at the output end, no additional anti-reverse diode is needed to charge the battery;
6. The module can be set to Open/Close by default, easy to use.
7. Multiple software protection mechanisms are available, and the protection threshold is adjustable. When the module's operating parameters exceed the protection threshold, the output will be automatically closed.
8. Output ripple is available PI-PI filter.
9. Thicken radiator fins help the module dissipate heat quickly, long lifespan.

Specifications B>
1. Input voltage: 5.0-30V
2. Output voltage: 0.5-30V
3. Output current: It can work stably at 3A for a long time, and can reach 4A in stronger heat dissipation.
4. Output power: natural heat dissipation 35W; Strengthen heat dissipation 50W
5. Voltage display resolution: 0.01V
6. Current display resolution: 0.001A
7. Conversion efficiency: about 88%
8. Soft Start: Yes (Soft Start may fail when starting with high power module and loading.)
9. Material: Fiberglass board, electronic component
10. Size: 7.9 x 4.3 x 2.6 cm

Protection mechanism B>
1. Insert the anti-reverse connection;
2. Anti-reverse irrigation output;
3. Enter under Protection voltage (4.8-30V adjustable, default 4.8V)
4. Output on voltage protection (0.5-31V adjustable, default 31V)
5. Output on current protection 0-4.1a (adjustable, default 4.1a)
6. Overpower protection (0-50W adjustable, default 50W)
7. Over temperature protection (80-110 degrees C adjustable, default 110 degrees C)
8. Timeout Protection (0-100H adjustable, disabled by default)
9. Super capacity protection (0-60Ah adjustable, default off)
10. Operating frequency: 180khz

Size:

package weight

Weight of each package 0.10kgs / 0.23lb One size fits all product

12cm * 8cm * 7cm / 4.72inch * 3.15inch * 2.76inch

1.The digital AC voltage meter can display AC voltage and AC current at the same time.
2.The meter adopts colorful LCD display to show the measurement result: the yellow display measures voltage and the blue display measures current.
3. The meter does not need to increase the working power and AC transformer.
4. The meter is equipped with the precise miniature transformer.
5. Excellent workmanship and good performance.
6. Easy to read, easy to operate, durable in use.
Specifications:
1. Material: plastic + metal
2. Measurement accuracy: 0.5% +/- 2 digits
3. Display screen:
Voltage display: Blue LCD
Current display: Green LCD
5. Measuring range:
AC Voltage: AC 80.0-500V
AC Current: AC 0-100.0A

Characteristics
1. Bidirectional current detection, users who detect charging and discharging can easily detect bidirectional current without changing the direction of wiring.
2. Power-off memory function, after power-off, it can memorize the AH number before power-off, which is convenient for observation and measurement. 3. The time and AH number reset function will not affect the next measurement.
4. It is possible to top up the AH number without affecting the direct discharge measurement.
5. The voltage, current, charging capacity AH number, WH number, time and power are displayed at the same time, and the information on the display is complete and clear.
6. With an output turn-off function key, the output can be flexibly turned on or off.
7. With overvoltage, overcurrent, overload, time limit, overload and other protection functions. 8. It can be calibrated online, which is convenient for customers to correct errors in time.
9. If necessary, the liquid crystal display can be turned off to reduce the power consumption of the product.
Specifications
1. Voltage measurement range:
- Measuring range when self-powered: 10V~90V
- Measuring range with external power supply: 0~90V
- Input/output current measurement range: 0~20A
2. Display Mode Color LCD display
3. Display resolution
- Voltage: 0.01V
- Current: 0.01A
- Capacity: 0.01 Ah
- Time: 0.01H
4. Precision
- Voltage: +/-1%+2 words
- Current: +/-2%+5 characters
5. Measurement rate: 5 times/second
6. Type of protection and adjustment range:
- OVP (over voltage protection): 0.01V~90V
- OPP (overload protection): 0.01W ~ 9.99KW
- LVP (undervoltage protection): 0.01V~90V
- OCP (Over Current Protection): 0.1~100A
- OAH (overcharge protection): 0.01AH ~ 999AH
- OFT (timeout protection): 0.01 hours~99.9 hours
7. Dimensions (L x W x H): 79 x 43 x 52 (mm)
8. Mounting hole opening (mm): 76.5 x 39.2 (mm)

Characteristics
1. Bidirectional current detection, users who detect charging and discharging can easily detect bidirectional current without changing the direction of wiring.
2. Power-off memory function, after power-off, it can memorize the AH number before power-off, which is convenient for observation and measurement. 3. The time and AH number reset function will not affect the next measurement.
4. It is possible to top up the AH number without affecting the direct discharge measurement.
5. The voltage, current, charging capacity AH number, WH number, time and power are displayed at the same time, and the information on the display is complete and clear.
6. With an output turn-off function key, the output can be flexibly turned on or off.
7. With overvoltage, overcurrent, overload, time limit, overload and other protection functions. 8. It can be calibrated online, which is convenient for customers to correct errors in time.
9. If necessary, the liquid crystal display can be turned off to reduce the power consumption of the product.
Specifications
1. Voltage measurement range:
- Measuring range when self-powered: 10V~90V
- Measuring range with external power supply: 0~90V
- Input/output current measurement range: 0~20A
2. Display Mode Color LCD display
3. Display resolution
- Voltage: 0.01V
- Current: 0.01A
- Capacity: 0.01 Ah
- Time: 0.01H
4. Precision
- Voltage: +/-1%+2 words
- Current: +/-2%+5 characters
5. Measurement rate: 5 times/second
6. Type of protection and adjustment range:
- OVP (over voltage protection): 0.01V~90V
- OPP (overload protection): 0.01W ~ 9.99KW
- LVP (undervoltage protection): 0.01V~90V
- OCP (Over Current Protection): 0.1~100A
- OAH (overcharge protection): 0.01AH ~ 999AH
- OFT (timeout protection): 0.01 hours~99.9 hours
7. Dimensions (L x W x H): 79 x 43 x 52 (mm)
8. Mounting hole opening (mm): 76.5 x 39.2 (mm)

1. Display: 4.3 inch color LCD display
2. Camera resolution: 1920 x 1080P
3. Horizontal viewing angle: 70 degrees
4. Language: 11 languages
5. Cable length: 5m
6. Focal length: 4cm-500cm
7. Waterproof: IP67
8. Camera diameter: 8mm
9. Battery capacity: 2600 mAh
10. Working time: 5-7 hours

1. Display: 4.3 inch color LCD display
2. Camera resolution: 1920 x 1080P
3. Horizontal viewing angle: 70 degrees
4. Language: 11 languages
5. Cable length: 1m
6. Focal length: 4cm-500cm
7. Waterproof: IP67
8. Camera diameter: 8mm
9. Battery capacity: 2600 mAh
10. Working time: 5-7 hours

1. Display: 4.3 inch color LCD display
2. Camera resolution: 1920 x 1080P
3. Horizontal viewing angle: 70 degrees
4. Language: 11 languages
5. Cable length: 10m
6. Focal length: 4cm-500cm
7. Waterproof: IP67
8. Camera diameter: 8mm
9. Battery capacity: 2600 mAh
10. Working time: 5-7 hours

1. Display: 4.3 inch color LCD display
2. Camera resolution: 1920 x 1080p
3. Horizontal viewing angle: 70 degrees
4. Language: 11 languages
5. Cable length: 5m
6. Focal length: 4cm-500cm
7. Waterproof: IP67
8. Camera diameter: 5.5mm
9. Battery capacity: 2600 mAh
10. Working time: 5-7 hours

1. Display: 4.3 inch color LCD display
2. Camera resolution: 1920 x 1080p
3. Horizontal viewing angle: 70 degrees
4. Language: 11 languages
5. Cable length: 2m
6. Focal length: 4cm-500cm
7. Waterproof: IP67
8. Camera diameter: 8mm
9. Battery capacity: 2600 mAh
10. Working time: 5-7 hours

Model: F220
Lens diameter: 5.5mm
Camera light source: 6 adjustable LEDs
Operating Temperature: 32 to 113 F (0-45 degrees)
Battery: 1800mAh lithium battery
Working time: 1.5 hours
Power input: DC 5V 500mAh / 1A
Waterproof: IP67 (lens only)
Focal length: 5cm-infinity
Camera resolution: 2560x1920
Sensor pixels: 5 million pixels
Viewing angle: 70 degrees
Support system: IOS Android
Photo format: MJPEG
Video Format: MP4

1. Lens size: 3.9mm
2. Resolution 1280*720, 640*480
3. Frame rate: 25 fps
4. Viewing angle: 70 degrees
5. Focal length: 4-10cm
6. Waterproof rating: IP67
7. Light source: 6pcs adjustable LED light
8. Support system: iOS, Android
9. Photo format: JPEG
10. Video format: AVI
11. Support Android, type-c, three USB interfaces, full compatibility, wider applicability
12. Length: 1m flexible cable

1. Lens size: 3.9mm
2. Resolution 1280*720, 640*480
3. Frame rate: 25 fps
4. Viewing angle: 70 degrees
5. Focal length: 4-10cm
6. Waterproof rating: IP67
7. Light source: 6pcs adjustable LED light
8. Support system: iOS, Android
9. Photo format: JPEG
10. Video format: AVI
11. Support Android, type-c, three USB interfaces, full compatibility, wider applicability
12. Length: 3.5m flexible cable

1. Lens size: 3.9mm
2. Resolution 1280*720, 640*480
3. Frame rate: 25 fps
4. Viewing angle: 70 degrees
5. Focal length: 4-10cm
6. Waterproof rating: IP67
7. Light source: 6pcs adjustable LED light
8. Support system: iOS, Android
9. Photo format: JPEG
10. Video format: AVI
11. Support Android, type-c, three USB interfaces, full compatibility, wider applicability
12. Length: 5m flexible cable