Specification b>
1. moving part: moving coil type
2. Pointer Materials: Strips of nickel silver
3. Pointer color: Black
4. Swing Pointer Direction: From left to right
5. Pointer length: 30 +/- 1 mm from the center axis to the tip of the needle
6. Pointer width: 0.45 +/- 0.05mm
7. How to use: Vertical
8. Operating temperature limit: -10°C to +60°C and RH 35 to 85%
9. Storage temperature limit: -20°C to +60°C and RH 35 to 85%
10. Soldering condition: Put the terminal about 3mm into a tin plate with a temperature of 230 degrees C. The placement time is 3.5 seconds. After this test, 7-14 elements remain normal.
Temperature 11. Soldering: Hold the soldering gun at 350a ?? for 3.5 seconds, and the front end of the terminal is about 3mm in contact with the soldering gun. After this test, items 7-14 remain normal.
12. Anti-static: Use dry nylon cloth to test the transparent cover surface in the same direction for three times. Mark the pointer difference under 1/3 of the scale length, and return to zero after three seconds.
13. Bulb specification: 12W DC12V

Note: Do not place the meter in direct sunlight, and store the meter in the packing box to prevent foreign objects from entering the meter.
electric Performance b>
1. Test conditions: temperature 20 degrees C, humidity 70%, no difference in test results, can also be tested under normal temperature and humidity conditions.
2. Degree of electrical influence: Pointer sensitivity 1mA +/- 5% from zero scale to uppper scale (full scale position)
3. Internal impedance: 50 ohm +/- 5%
4. Isolation impedance: above 500V DC including 50M Ohm for the external meter box charging circuit. Isolation impedance between the meter case and the charging circuit is tested at 500V DC voltage.
5. zero position: the meter is in a standard position. The place where the front end of the pointer is integrated with the center of the zero scale is the reference. The permissible error of the overlap between the pointer and the zero scale is +/- 1 mm.
6. Equalization: Allowable error range ?? ± 1mm ​​​​when the standard position of the meter is tilted 90 degrees before and after use.
7. Wand: Instantly add three times the full scale current above the current, slowly reduce to 1/2 of the electrical influence reading, then the pointer will return to 1/3 of the scale.
8. Friction: The point error range indicates ??±1mm ​​when the electric current is added to the meter and slowly increased or decreased to a certain value.
9. braking: Immediately add 2/3 of the dial current, within one second from the start to the position indicated by the pointer.
Special test b>
1. Over load test: input ten times full scale current every five seconds, repeat the action nine times. Each time is 0.5 seconds, 7 to 14 items remain normal after this test.
2. Vibration test: After the meter is packaged, it is shaken up and down 4mm every 1000 times per minute on the vibration plate, 10 minutes in each direction. After this test, 7-14 items remain normal.
3. Impact resistance: The instrument was dropped from a height of 30cm to a 3cm thick edge after being packaged, and the test was carried out in three directions, XYZ, 7-14 items remained normal after this test.
4. Reliability test: Electrofluence limit remains standard radius after current inputs 100,000 correction point.
5. Environmental impact test: Temperature 50a ??, humidity 85%, lasting 100 hours, after this test 7-14 items remain normal.
6. Terminal tension test: The terminal must carry 1 kg tension, lasting 60 seconds.

Technical specifications:
1. Humidity resolution: 0.1%RH
2. Sampling rate: 2.5 times/sec
3. Max / min function
4. Large LCD dual temperature and humidity display

Characteristics:
1. Temperature accuracy: +/- 1 degree C or +/- 11.8 degree f
2. Temperature range: -10 degree c ~ 50 degree c
3. Humidity range: 5%RH ~ 98%RH
4. Humidity accuracy: +/- 3% (30-95%); +/- 5% (10-30%); Grade C / Grade F Selection
5. Auto/Manual Power Off
6. Low battery indication
7. Data retention
8. Temperature resolution: 0.1 degree c
9. Humidity resolution: 0.1%RH
10. Sampling rate: 2.5 times/sec
11. Power: 9V battery (not included)

1. The high linear scale is designed, high, stable and precise.
2. The signal line adopts multi-layer insulating steel and metal soft shell protection, waterproof and anti-interference.
3. Easy to install and maintain, waterproof, dustproof, long life.
4. Widely used, high stabilization, good ability to resist disturbances.
5. Suitable for JCS900-2AE / JCS900-3AE data display instrument.
6. Material: metal
7. Accuracy: +-5um
8. Resolution: 5um
9. Measuring range: 0mm-800mm

1. Mobile phone WiFi wireless remote, can be timed and delayed
2. Easily count your daily electricity consumption
3. Current: 5-60a
4. Voltage: 90-250V AC
5. Frequency: 50/60Hz
6. Current rate: 1200IMP/KWH
7. Display mode: digital display
8. Size: about 7.9x3.6x6.6cm

1. WiFi wireless connection, WiFi distance within 5-10m
2. Built-in 600mAh lithium battery
3. With 2.0MP HD camera, support taking photos and videos
4. Resolution: 1600*1200 1280*720, 640*480, 320*240
5. LED light: 8pcs adjustable
6. Viewing angle: 70 degrees
7. Power Source: Build-in 600mAh Li-ion battery
8. Focal distance: 4-10cm
9. Water resistant: IP68 waterproof
10. Support system: Android 4.2 / iOS (above iOS 8.0) / Windows / Mac
11. Lens diameter: 8.0mm
12. Power on for charging: DC 5V
13. Support Video Record: Video format: AVI
14. Support Image Capture: Photo format: JPEG

1. Super bright light, can see through very thick paper.
2. Adjustable brightness, with the touch button you can adjust the brightness, very convenient to use.
3. Special acrylic surface, which makes it feel like glass panel but much stronger than glass.
4. With compact and elegant design, easy to carry and save space.
5. Eye protection technology, perfect for drawing, sketching, animation, calligraphy and tattoo tracing.
6. Simple and convenient to use.
7. High-quality acrylic materials, durable and reliable.

1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with App to Remote control, or you can also turn on and off the lights manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote control and management for multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

Characteristics
1. UHF wireless in-ear monitoring system.
2. A built-in limiter circuit for stage performance and a wide range of sound eliminates distortion at excessive input levels.
3. Metal panel and body, make it sturdy and durable
4. Provides desktop-level monitoring in an in-ear monitoring and reception system with a wireless range of 80 to 100 m and a frequency range of 550-580 MHz.
5. The signal-to-noise ratio of the dynamic range has been improved, so that the system has excellent anti-interference ability and once again shows the original good sound
Transmitter Specifications
1. Case specification: 1U standard case
2. Material: Metal panel and body case
3. Frequency range: UHF550-580 MHz
4. Frequency range: 25 MHz
5. Transmit output power: 100mW (50 ohm)
6. Audio input: XLR and 6.3mm duplex socket
7. Earphone output: 6.3mm jack, adjustable volume
8. Headphone load impedance: greater than or equal to 16 ohms
9. Voltage current consumption: DC 12V 250mA
10. Antenna interface: TNC jack (50 ohm)
11. Dimensions: 48 x 10.5 x 4.3 cm
Receiver Specifications
1. Oscillation mode: PLL synthesized frequency
2. Wide frequency range: UHF550-580MHz (corresponding transmitter frequency)
3. Frequency range: 25 MHz
4. Operation mode: manual adjustment
5. Reception mode: single tuning.
6. Full frequency response: 80Hz ~ 15KHz +/- 3dB
7. Output power (30 ohms): 2 x 35 mW
8. Headphone load impedance: greater than or equal to 16 ohms
9. Earphone output: 3.5mm jack
10. Power supply: 2 x AA batteries (not included)
11. Dimensions: 8.5 x 6 cm

1. WIFI Remote Control: Turn on/off the light from anywhere.
2. Application support: Free iOS and Android mobile apps (Smart Life).
3. Voice Control: With Amazon Alexa, Google Home voice control.
4. Independent control: control each way separately.
5. Sync Status: Real-time device status provided on APP.
6. Timing Function: Set the schedule/countdown timer to turn on/off at the specified time.
7. Product Specifications:
Power supply: AC 100-250V.
Maximum current: 10A / channel
Maximum power: 2000W/channel
Wireless standard: 802.11 b/g/n
Security Mechanism: WPA-PSK / WPA2-PSK
Product material: Fireproof V0 PC + tempered glass panel

1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with App to Remote control, or you can also turn on and off the lights manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote management and control of multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

Characteristics
1. This infrared thermometer is used to measure the surface temperature of the object, which is applicable for various
Hot, dangerous or hard-to-reach objects without contact safely and quickly.
2. 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 focus ONTOO sensor. Then the sensor translates the energy into electricity signal. This signal will be extracted from digital shown on LCD display after signal amplifier and processing circuit.

Specifications
1. Temperature range: -50 ~ 700 degrees C (-58 ~ 1292 degrees f)
2. Accuracy: +/- 1.5% or +/- 1.5 degrees c
3. Repeatability: +/- 1% or +/- 1 degree c
4. Distance to Spot Size: 12:1
5. Emissivity: 0.1~1.00 adjustable
6. Display Resolution: 0.1 degree c / degree f
7. Response time: 500ms
8. Wavelength: 8-14um
9. Max/min/AVG/DIF Reading
10. High/low temperature alarm
11. DATA STORE / RECALL function
12. C grade / F grade switch

This unit is a handheld intelligent product, which adopts ultrasonic measuring principle, and is controlled by microprocessor, provides fast and accurate thickness measurement for most industrial material. This unit is widely used in various precise measurement for different hardware/parts in industrial realm; One of its important applications is to monitor the thickness-decrease level during the operation of various container and pressure. Widely applied in the fields of manufacturing, metalworking and commercial inspection.
Scope of application: This unit is suitable for measuring materials that are good ultrasonic conductors such as metal, plastic, acrylic, glass etc., as long as the measured part in two parallel surfaces for thickness measurement. This unit is not suitable for cast iron because of its large crystaloid composition.

Features and functions:
1. Automatic calibration to ensure accuracy
2. Sound velocity measurement: with a given thickness to measure the sound velocity to improve the accuracy
3. 12 Sound speeds for different material
4. Pairing status indication
5. 12 thickness preset measurement data storage and recall
6. Thickness alarm setup
7. Backlight display
8. Low battery indication
9. Automatic shutdown
10. Metric / Imperial selection
11. Selecting the measurement mode

Specification:
1. Measuring range: 1.0 ~ 300mm
2. Accuracy: +/- (1% h + 0.1) mm
3. Resolution: 0.01mm (1.00 to 99.99mm), 0.1mm (100 to 300mm)
4. Sound speed range: 1000~9999m/s
5. Working frequency: 5 MHz
6. For pipe measurement: diameter 15 x 2.0mm (6mm transducer), diameter 20 x3.0mm (10mm transducer)
7. Power supply: 3 x 1.5V AAA batteries (not included)

1. Stainless steel panel, full copper valve, high strength and corrosion resistant.
2. Valve caliber: 1 cun (DN25 diameter 32 mm)
3. Working water pressure: 3Mpa-10Mpa, at least 4 tons per hour
4. Waterproof rating: IP23
5. Sensing distance: about 28-80cm adjustable
6. Power supply mode: AC/DC (4 AA batteries)

1. Built-in high-precision chip, high sensitivity, accurate temperature control
2. Support Celsius/Fahrenheit display
3. When thermocouple signal is input, the digital display resolution can reach 0.1 degrees Celsius / 0.1 degrees Fahrenheit
4. The relay and SSR are integrated, and the relay output or SSR output can be used freely
5. Short shell design, about 85mm deep, easy to assemble and use
6 6
7. Control mode: PID control and autumn control
8. Temperature range: 0-1300 degrees Celsius
9. Power supply voltage: 100-240V 50/60Hz
10. Output signal: relay/SSR output
11. Size: 9.6x9.6x8.5cm

Description
1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with the App for remote control, or you can also turn the lights on and off manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote control and management for multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

1. Measuring range: 0.1~200,000 lux; 0.01~20,000 Fc
2. Resolution: 0.1Lux / 0.01Fc
3. Accuracy: Fluctuates up or down by 4%
4. Measuring speed: 2 times / second
5. Power supply: 9V battery (not included) * 1PCS
6. Data Hold Function
7. High resolution and fast response

1. Host interface: USB3.0 high-speed interface, 360MB/S transmission
2. Input interface: HDMI 4K 60HZ HD video signal
3. Audio input: 1 channel LPCM audio signal
4. Ringtone output: 1-channel HDMI HD audio 4K 60Hz and
video signal output
5. HDMI input resolution: 3840x2160 60HZ, 1920x1080P60fps, 720P
6. Transmission speed: HDMI: 300MHZ
7. Video capture: Compliant with UVC (USB video class) specifications
8. Audio acquisition: Compliant with UVC (USB video class) specifications
9. Support Windows 10 / Windows8.0 / Windows 7 (X86, X64), Linux Ubuntu14.04 / OS
10. No installation drive, no power supply, plug and play
11. Product material: aluminum alloy
12. Product size: 9.5x7x1.5cm

1. FREE to install the driver, no need to connect the Internet, Plug and Play, the meeting is more efficient
2. Dual mode, more flexible meeting: projection mode, extended mode
3. One-click disconnect/reconnect
4. Support multiple transmitter connections, one-key switch signal, no mutual interference, flexible and fast
5. Support 4K HD image quality, audio and video simultaneous transmission
6. The mobile phone is on the same screen, no wireless connection is required, no complicated operation is required, the mobile phone can easily connect to the big screen through the wireless signal
7. Dual high gain antennas, stronger signal, support 2.4G+5G transmission at the same time, high speed stability without frame dropping
8. Support VGA/HDMI dual interface to connect projectors/monitors/TVs and other large-screen devices to meet the needs of different users
9. Power supply: 5V/2A
10. Material: Aluminum alloy + ABS

1. Product length: 0.3m.
2. Outer diameter of wire: 6mm.
3. Product material: copper conductor + zinc alloy head.
4. Features: Zinc alloy plug, gold plating at the contact point (24K gold plating, no fading, excellent contact performance) Full copper conductor, double shielded wire, gold-plated 3.5mm female, ultra-thick wire, guarantee transmission effect.
5. Product usage: It is used to convert the 6.35mm jack to a universal 3.5mm headphone jack, usually used for power amplifiers, headphone amplifiers, HiFi headphones, earphones, sound cards and other equipment.

1. Battery life: about 10 hours
2. Load capacity: 260g
3. Product weight: 387g
4. Product size: Folded size 114.4x175.6x64.6mm
5. Foldable storage design, more convenient to carry when traveling
6. Built-in 198mm extension rod, more convenient for selfie
7. Intelligent face tracking mode, more stable shooting
8. Compatible with mobile phones within the width of 49mm-88mm
9. It can be used for shooting Vlog, live broadcast, tracking shooting and other tricks, giving you different excitement
packing list:
- Handheld Gimbal x 1
- Non-slip tripod x 1
- USB to Type-C Cable x 1
- case x 1
- Product instruction manual x 1

1. Rated voltage: 250V.
2. Rated current: 10A
3. Material: plastic, metal
4. Plug type: 3 pin
5. It can be used in case, instrument, tableware, counter, daily household use, etc. The inner core is pure copper, which can be detected with a magnet.
6. Package Content: 1 x Power Socket with Fuse Switch

1. Filter: with filter
2. Nature of DC power supply: voltage type
3. Rated voltage: single phase AC220
4. Rated current: 8A
5. Control mode: V/F open loop
6. Output voltage mode: PWM control
7. Supply voltage: low voltage
8. Power supply voltage: plastic case
9. Dimensions: Length 195mm x Width 130mm, Height 109mm
10. Performance: Broken wire protection. Adjustable acceleration, water pump control; running switch, 8-stage speed control, stripe-free cutting, timing reverse (advance three retreat two), side-by-side shutdown, shutdown brake, stall time, function control, integrated design

1. Use NE5532 chip, can replace OP275, AD828, NJM4558, TL072 and other general-purpose dual op amps
2. Low quiescent current and noise suppression
3. Bass: 100HZ/80DB gain adjustment
4. Tweeter: 10KHZ/80DB gain adjustment
5. Frequency response: 20-20000 HZ
6. Signal to noise ratio: 98 dB
7. Power supply voltage: DC9-24V (5 x 2.1mm core input, 2P chassis input)
8. The 2x770mW stereo power rating (24V/32 ohm) can be connected to loads greater than 32 ohm
9. Output method: 3.5mm audio jack
10. Input method: 3.5mm audio terminal, 3P 2.54mm terminal block, 6P 2.5mm chassis
11. PCB: 72x53mm
12. Total: 72x53x15mm
13. Potentiometer knob opening: 7mm
14. Mounting hole spacing: 47.58x36mm
15. Net weight: 54 g

Characteristics
1. LCD display shows clear working status
2. Low battery reminds bodypack receivers
3. Reception range 80 to 100 m, generally within 80
4. Note: Must be used with host transmitter
Specifications
1. Oscillation mode: PLL synthesized frequency
2. Wide frequency range: UHF550-580MHz (corresponding transmitter frequency)
3. Frequency range: 25 MHz
4. Operation mode: manual adjustment
5. Reception mode: single tuning.
6. Full frequency response: 80Hz~15KHz+/-3dB
7. Output power (30 ohms): 2 x 35 mW
8. Headphone load impedance: greater than or equal to 16 ohms
9. Earphone output: 3.5mm jack
10. Power supply: 2 x AA batteries (not included)
11. Dimensions: 8.5 x 6 cm

1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with App to Remote control, or you can also turn on and off the lights manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote control and management for multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with App to Remote control, or you can also turn on and off the lights manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote control and management for multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

1. You can control the lights anywhere via Android/iOS smartphone. You need to use it together with App to Remote control, or you can also turn on and off the lights manually by touching it.
2. The switch makes all your home appliances smart, as long as your phone has a network, you can remotely turn on or off your home appliances from anywhere at any time. And by setting schedules for your home appliances, you can keep a carefree life.
3. One key sharing, remote control and management for multiple people.
4. Enhance your home with this modern and trendy alternative to traditional light switches.

1. Brand new and high quality.
2. This is a universal power supply for all your pedals, effects, wireless receivers and more.
3. Features include worldwide input, multi-voltage regulated output, six adapters and more.
4. This adapter is designed to provide power where and when you need it.
5. With a selectable DC output up to 12 volts and sockets to fit most small electronics, it replaces a box full of batteries.
6. Provides universal regulated switching mode power with selectable AC input from 110 to 240V AC (so with an electrical plug adapter it will work anywhere in the world).
7. It has selectable DC outputs: 3 / 4.5 / 5/6 / 7.5 / 9 / 12V.
8. The charger also includes 6 removable DC output plugs, so it fits almost all DC input sockets. (2.5*0.7mm, 3.0*1.1mm, 3.5*13.5mm, 3.5*15mm, 5.0*2.1mm, 5.5*2.5mm)
9. Used for chargers, printers, game consoles and many other appliances.
10. Compatible for: mobile phone, tablet PC, camera, router and other devices.
11. Not compatible with laptops or other high-power equipment, not compatible with devices over 30W, and the polarity cannot be reversed.

1. Brand new and high quality.
2. This is a universal power supply for all your pedals, effects, wireless receivers and more.
3. Features include worldwide input, multi-voltage regulated output, 8 adapters and more.
4. This adapter is designed to provide power where and when you need it.
5. With a selectable DC output up to 12 volts and sockets to fit most small electronics, it replaces a box full of batteries.
6. Provides universal regulated switching mode power with selectable AC input from 110 to 240V AC (so with an electrical plug adapter it will work anywhere in the world).
7. It has selectable DC outputs: 3 / 4.5 / 5/6 / 7.5 / 9 / 12V.
8. The charger also includes 8 removable DC output sockets, so it can fit almost all DC input sockets. (2.5*0.7mm, 3.0*1.1mm, 3.5*13.5mm, 3.5*15mm, 5.0*2.1mm, 5.5*2.5mm)
9. Used for chargers, printers, game consoles and many other appliances.
10. Compatible for: mobile phone, tablet PC, camera, router and other devices.
11. Not compatible with laptops or other high-power equipment, not compatible with devices over 30W, and the polarity cannot be reversed.

1. Remote control ON/OFF at any time via the app
2. Voltage: 85-300V AC 50/60Hz
3. Rated current: 80A
4. WiFi Frequency: 2.4GHz
5. 100 ON/OFF programs can be set daily or weekly
6. If the network is disconnected, the timer will keep all the programs set by the phone and work according to the programs set
7. With a memory function, when the contact is in a closed state, the contact remains closed after power off and re-energized
8. Share to 100 people via mobile app
9. When the load exceeds the rated current, the load circuit will be automatically disconnected
10. Installation: cast iron DIN 35mm
11. Size: about 10x4.8x3.5cm
12. Weight: about 196 grams

Product parameters
Model: F210
Image Sensor: High-performance sensor
Sensor size: 1/4
Magnification: 50-1000 times
Lens structure: 2G + IR
Camera light source: 8 adjustable LEDs
Operating Temperature: 32 to 113 F.
Battery: 800mAh lithium battery
Working hours: 1H
Power input: DC 5V 500mAh / 1A
Focal length: 0-infinity
Camera Resolution: 1920x1080P
Image format: JPEG
Video Format: MP4

1. Mini body, compact and portable to carry in your pocket.
2. Frequency range: 400-470
3. Number of channels: 20

1. Mini body, compact and portable to carry in your pocket.
2. Single band display.
3. Frequency range: 400-480 (MHz)
4. Number of channels: 22
5. Working voltage: DC 3.7V.
6. Theoretical communication distance: 1-3km
7. Communication type: Unable to insert card

1. Super bright light, can see through very thick paper.
2. Special acrylic surface, which makes it feel like glass panel but much stronger than glass.
3. With compact and elegant design, easy to carry and save space.
4. Eye protection technology, perfect for drawing, sketching, animation, calligraphy and tattoo tracing.
5. Simple and convenient to use.
6. High-quality acrylic materials, durable and reliable.