1. Large LCD
2. Data hold
3. With differential mode and recording mode
4. USB port
5. Restore and adjust data
6. Low battery indication and automatic shutdown
7. 4 x AAA battery (not included)

Characteristics
1. 1600x magnification with 0.3MP.
2. 8 LEDs with adjustable brightness are suitable for any inspection environment.
3. Its high image sensor presents a surprisingly vivid and sharp image.
4. Focus range: 15-40mm manual focus.
5. Comes with a CD-ROM, contains basic image acquisition and organization software, as well as simple measurement function, compatible with USB 3.0 / 2.0 / 1.1.
6. The USB digital microscope is good quality to use in dissection/inspection examination, plant dissection/examination, skin examination, scalp examination, tissue inspection, jewelry inspection, collection/coin inspection, printing inspection, PCB or PCBA inspection and so on.

Package List
1. USB Microscope x 1
2. Suction cup holder x 1
3. CD-ROM x 1

1. Measuring range: AC voltage 0-440V
2. Battery type: 6x1.5V LR14 battery
3. Test voltage: 0~440V
4. Ambient temperature: 0~50 degrees Celsius
5. Relative humidity: 30%~90%
6. Simple operation and accurate testing
7. Large-screen backlit display, large characters, large strokes, clear readings in dimly lit environments
8. It is designed with a detachable PVC silicone protective cover, which is shockproof and drop-resistant, strong, wear-resistant and durable, and protects the internal components
9. It can widely measure the tripping current of the leakage circuit breaker, tripping time, circuit resistance and online measurement voltage, frequency, etc. It is an ideal tool for electrical inspection and maintenance
Note: This product is shipped without batteries

Characteristic
1. Ideal and necessary tools for gardeners, vegetable and fruit growers and all those who plant trees and herbs
2. You can take care of your plants.
3. Suitable for indoor and outdoor plants, gardens and lawns.
4. Simply insert the meter into the ground, switch to the setting you want to measure, and read the scale.
5. To avoid damage to the electrode, clean the electrode after each use, do not use it in the soil with buds and insert forcibly

1. Material: ABS, Acrylic
2. Magnification: 1.5x, 2.5x, 3.5x, 5x
3.Light source: 2 LED lights
4. Power parameters: 50Hz, 5V, 0.1W
5. Battery parameters: 300mAh rechargeable lithium battery
6. Foldable and detachable design, more convenient to carry
7. Using optical lenses, the vision is clear and more comfortable
8. Four sets of magnifying lenses, convenient and practical
9. Lens Effective Size: 333mm, 200mm, 142mm, 100mm
10. Product size: 18.5 x 17.5 x 3 cm
12. Product net weight: 56 grams
Packing list:
-FRAME X 1.
-Lens x 4.
-USB Charging Cable x 1
-Pvc Tray x 1
-Chinese and English manual x 1

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 ~ 1742 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

1. Large HD LCD screen, high precision measurement
2. LED jack indicator light, no worry about inserting the wrong probe
3. NCV non-contact voltage detection
4. 220V full gear anti-burn, safe and convenient operation
5. Automatically shut off after 5 minutes without operation
Parameters:
1. Safety level: CAT III 1000V, CAT IV 600V, EN61010-1,-2-030 EN61010-2-033, EN61326-1
2. Measurement function: battery test, resistance, DC current, AC current, AC voltage, DC voltage
3. Features: Manual range, on-off test, diode test, data hold, auto power off
4. DC voltage range: 600mV-1000V
5. AC voltage range: 600mV-750V
6. DC current range: 600uA-10A
7. AC current range: 600uA-10A
8. Capacitance range: 10nF-100mF
9. Max View: 6000
10. Battery type: 2 x AA batteries (not included)
11. Dimensions: 18.8x8.8x5.8 cm
12. Net weight: 350 g

1) 30X-60X Pocket Microscope

2) It has flashlight and currency detection function

3) Ideal for general industrial use, educational purposes and more

4) Powered by 3 x LR43 button cell batteries (included)

5) Magnification: 30X-60X

6) Dimensions: 54x40x20mm

This non-contact tachometer is a professional and practical engine speed meter to measure revolutions per minute (RPM) with wide measuring range and high resolution. It features high precision measurement, fast measuring time and long detection distance up to 500mm (20 inches) with laser. This tachometer is very easy to use by applying a reflective tape (included 3 in the package) on the target object, then aim at the mark with the laser beam. This tachometer has a wide range of applications, such as measuring the rotation speed of machines, motors, wheels, lathe for metal or wood cutting work,
electric fan, paper making, plastic industry, chemical fiber, washing machines, automobile manufacturing etc.

1. 4000W Pixel
2. HDMI output 1080p@60fps frame, 4K@30fps frame
3. Clear, high-resolution images
4. Industry-leading CMOS camera.It can show live image directly to any HDMI monitor, projector or TV.
5. Provide HDMI HD HD HD video output ports

characteristic
The device is standardized and accurate and easy to read. Digital displays are fast and easy to read.
Product Specifications
1. Apply sugar
Sodium chloride nacl.
salinity
salinity
proportion
Refractive index
2. Measuring range:
Salinity: 0.0 ~ 28.0%
Salinity: 0 ~ 280 ‰
Ratio: 1.000 ~ 1.217
Refractive index: 1.3330-1.4200nd
3. Salt absorption
Salinity: 0.1%
Salinity: 1 ‰
Specific Gravity: 0.001
Refractive index: 0.0001nd
4. Precision
Salinity: ± 0.2%
Salinity: ± 2 ‰
Specific gravity: ± 0.002
Refractive index: ± 0.0003nd

1. Quick and easy measurement
2. Precise non-contact measurement
3. Built-in laser pointers increase target accuracy
4. 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 of all contact safely and quickly
5. Selecting Grade C / Grade F
6. Temperature measurement range: -50 degrees c- 650 degrees c (58-1202 degrees f)
7. Color LCD display
8. Temperature display accuracy: 0.1 degree c / degree f
9. Battery: 1.5V AAA battery x 2 (not included)

With backlight or not: No
Type: Coating Thickness Gauge
Weight: about 26g
Blue color
1. Measuring range: 0.0-2.0mm, 0.0-80mil
2. Accuracy: 2% reading +-0.1mm or 2% reading +-4mil
3. Resolution: 0.1mm / 1mil
4. Power supply: 3V button battery (not included)
5. Measuring technology: magnetic
6. Size: 6.9x3.8x2cm
7. Automatically identify the substrate material and quickly and accurately detect the coating thickness.
8. Built-in probe to make measurement more accurate.
9. 30 seconds no operation, automatic shutdown, prolonging the lifespan.

1. This product is an infrared thermal imager that integrates surface temperature measurement and real-time thermal imaging.
2. Traditional infrared thermometer needs to measure each part one by one, but infrared thermal imager does not need it, thus saving time
3. In addition, the center point measurement cursor is used for fast and accurate positioning to measure temperature to increase the degree of discrimination. The product is equipped with a visible light camera
4. Thermal image and visible light image are stored in the device, which can be read via USB or stored in a computer to generate reports or print
5. The product is small in size, easy to use and powerful. This is an ideal choice for electric power, electronic manufacturing, industrial inspection and other fields.
6. Emissivity can be adjusted to improve the measurement accuracy of semi-reflective objects.
7. The upper and lower temperature sliders can guide the user to the upper and lower temperature areas of the thermal image
8. optional palette
9. Application areas include electric power, metallurgy, petrochemical, machinery, coal, transportation, fire protection, national defense, etc. It can not only perform real-time detection in high voltage, high current and high speed operation, but also realize real-time detection
10. There is no need to cut power, shut down or stop production to detect potential problems and avoid failures
11. Display: 2.8 inch full-angle TFT display
12. Infrared image resolution: 220x160
13. Field of View: 35x26 degrees
14. Temperature measurement range: -20 to 450 degrees Celsius
15. Measurement accuracy: +/- 2 degrees Celsius / +/- 2% (more than 300 degrees Celsius, the accuracy is +/- 5%)
16. Visible image resolution: 300,000 pixels
17.LCD Resolution: 320?? 240
18. Focus Distance: 0.5-70mk
19. Emissivity: adjustable from 0.01 to 1.00
20. Thermal imaging frame rate: 9 Hz
21. Wavelength coverage: 8-14um
22. Focus mode: fixed
23. Palette: Rainbow, Red Iron Oxide, Fresh Color, Black and White, Black and White
24. Storage capacity: Built-in 3G (store more than 20,000 images)
25. Size: 69.4x225x93.4mm
26. Weight: 329.1 g

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. Adopt automatic SMD production process, technological expertise.
5. Current range: DC 0-10A.
6. With reverse polarity protection, reverse not burned.
7. 4-30V power supply, can work at 9V, 12V, 24V, etc., no need for adjustment.

1. Measuring voltage range: 1000V
2. Current measurement range: 1000A
3. Resistance measurement range: 60M
4. Max count: 6000
5. Battery type: 3x1.5V AAA
6.Measurement function: capacity, battery, resistance, DC current, AC current, AC voltage, DC voltage
7. Industrial-grade wear-resistant silicone protective cover, comfortable to touch and durable
8. Accurate detection, easy operation.
9. Clamp opening size: 36x60mm
10. Material: ABS
Note: Shipping without batteries

1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries
2. Use an independent charging pump to power the mixer and add tantalum capacitors, which can further reduce the power supply noise
3. In order to facilitate Geeks to create more possibilities, UART1 and PC14, PC15 interfaces are designed on the PCB, which is convenient for DIY expansion
4. ABS shell, can effectively protect SMA connectors and buttons
5. DUMMING DC is added, it can be seen more clearly when used outdoors, and it is more convenient to use indoors.
6. Optimized the bridge to make full use of the harmonics of SI5351. Now the fifth harmonic can be used to measure at 1.5GHz;
7. When the fundamental wave is used, the output level of CH0 is increased to 0DBM, and the reflection measurement is more accurate;
8. Solve the previous Nanovna-H anomaly near 6 MHz
9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current and protects the battery
10. Optimized PCB layout, adapting 1950mAh battery, more than 8 hours of use

packing list:
1. Nanovna host x 1 (including 4 inch touch screen, 2000mAh battery)
2. 15cm SMA Male to Male RG316 RF Cable X 2
3. SMA female to female connector X1
4. Simple SMA Calibration Kit X1
5. Open SMA Simple Calibration Kit x1
6. SMA Simple Calibration Kit Charge X1
7. USB Type-C data cable X1
8. Type-C to Type-C X1 supports connection with most Android phones
9. A choice

1. Use high-brightness LD red laser source, low power consumption, horizontal and vertical measurement at the same time, multi-grid light points are clearly collected, strong penetrating power, and the distance is still clear no matter how far away
2. Anodized surface + fine sandblasting, creating an excellent metal texture
3. The screen adopts ultra-wide double-sided color screen, high-definition smooth and smooth surface, measurement response per second, real-time data display
4. Light weight, small size, easy to carry
5. Using reinforced anti-drop metal shell, not easy to break, durable
6. The combination of revolutionary technology based on micro-electromechanical system and advanced software technology realizes high-precision measurement with accuracy better than +/- 0.5 degrees
7. Equipped with an adjustable bracket to move the body in multiple directions, greatly improving work efficiency

Parameter:
1. Charging port: Type-C
2. Laser wavelength: 660nm
3. Laser class: class 2
4. Degree of protection: IP54
5. Internal distance: about 10 meters
6. Battery capacity: 730mAh
7. Working mode: absolute angle + relative angle
8. Size: 120x20x35mm, Bracket Size: 95x103mm
9. Weight: 95 g

1. 1000x magnification with 0.3MP.
2. 8 LEDs with adjustable brightness are suitable for any inspection environment.
3. Its high image sensor presents a surprisingly vivid and sharp image.
4. Focus range: 15-40mm manual focus.
5. Comes with a CD-ROM, contains basic image acquisition and organization software, as well as simple measurement function, compatible with USB 3.0 / 2.0 / 1.1.
6. The USB digital microscope is good quality to use in dissection/inspection examination, plant dissection/examination, skin examination, scale examination, tissue inspection, jewelry inspection, collection/coin inspection, printing inspection, PCB or PCBA inspection and so on.

• With backlight or not: No
• Display type: Analog
• Dimensions: 10 x 9 x 8 cm
• Use for: span > Soil Analysis
• Type: 2 in 1 Soil Fertility Analyzer
• Material: Aluminum and ABS
• Accuracy: PH0.1

1. Wide range of detectable frequencies
2. It can detect electromagnetic radiation anywhere
4. Easy to use, it can detect the electromagnetic radiation strength around home electronic devices, electrical wires, industrial equipment and so on
5. To detect environmental electromagnetic radiation: indoor, office, computer room, industrial control room, electrical cables, high voltage cables, monitors and so on, which are the origin of radiation
6. To detect home electronic devices: cell phone, PC, TV, copier, fax, AC, refrigerator and so on
7. Frequency range: 50Hz-2000MHz
8. Reaction time: 0.4S
9. Voltage: 9V
10. Battery: 1x6F22/9V (not included)
11. Dimensions: 133 x 70 x 30 mm

1. Model: P6100
2. Attenuation: X1;X10
3. Input resistance: 1X: 1MΩ+/-2%;10X: 10MΩ+/-2%
4. Input capacitance: 1X: 85pF ~ 115pF;10X: 18.5pF ~ 22.5pF
5. Compensation range: 10pF-30pF
6. Rise time: less than 3.5ns
7. Operating voltage: 1X: less than 200VDC + AC peak 10X: less than 600VDC + AC peak
8. Temperature: -10~+50 degrees Celsius
9. Not working: -20~+75 degrees Celsius
10. Humidity: less than or equal to 85% (RH)
11. Length: 120 cm

Product parameters:
1. Lens diameter: 8.0mm
2. Resolution 1280 * 720
3. Sensor size: 1/5 inch
4. Frame rate: 30 fps
5. Viewing angle: 70 degrees
6. Focal length: 4-10cm.
7. Waterproof rating: IP67
8. Automatic exposure lamp
9. Working temperature from 0 degrees to 70 degrees
10. 8.0MM Len 6pcs adjustable LED light waterproof;
11. Power supply: Built-in battery
12. Battery capacity: 800 mAh
13. Support Computer: ios Android Windows
14. Photo format: MJPEG
15. Video format: MP4
16. Scope of application: pipeline maintenance, vehicle maintenance, maritime exploration, anti-terrorism bomb removal, satellite maintenance and repair, fire rescue search, air conditioning maintenance and testing, large-scale precision instrument monitoring

1. This unit consists of optics, temperature sensor signal amplifier, processing circuit and LCD display.
2. The optics collected the infrared energy emitted by the object and focuses on the sensor.Then the sensor translates the energy into an electrical signal.This signal will be revealed to be digital shown on the LCD after the signal amplifier and processing circuit.
3. Spectral response: 8um -14um
4. Data storage, temperature unit conversion C/F.
5. LCD Readlight, Automatic Shorth
6. 2 x AAA battery (not included)

1. Wavelength: 850nm
2. Easy to use, just rotate and screw with the front of the lens
3. Scope of application: Suitable for HCB0991 digital microscope with standard L10 lens and L100 Lens
4. Good quality and long life
5. Note: This product must be used with HCB0991 products, other products can not be used

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. Camera Outer Diameter: 8mm
2. Resolution: 640*480,1280*720,1600*1200
3. Waterproof level: IP68
4. Light: 8 adjustable white LEDs
5. Support system: Android / Windows 2000 / XP / Vista / Windows 7/8/10 Mac OS
6. It can be applied to waterproof underwater camera inspection, narrow pipeline inspection (sewer, drainage pipe); mechanical inspection; motor vehicle parts inspection; security/crime detection; archaeological detection; home care;
7. Designed with foldable technology, it can bend the rigid cable and maintain its shape during inspection.
8. It also has a 360 degree rotation angle, you can easily choose any viewing angle
9. Length: 2 meters

1. The hose bracket can be bent at any angle
2. Built-in 8 LED lamp beads, the brightness can be adjusted, the light is uniform, soft and not dazzling
3. 50-1000X focus, smooth and convenient
4. Scope of application: industrial maintenance inspection, textile, jewelry identification, printed matter, experimental research
5. Magnification: 50-1000X
6. Video pixels: 640x480, 1920x1080 (MAX)
7. Image Sensor: 1/6.5 \\\" color CMOS image sensor
8. Image resolution: 640x480, 1920x1080
9. Video resolution: 640x480
10. Data format: JPEG/AVI
11. Focus mode: manual
12. Image format: JPG/BMP
13. Light source: 8 LED lights (brightness can be adjusted)
14. Focus range: 0-40mm
15. PC resolution and frame rate: 640x480/26FPS, 1280x720/26FPS
16. Sensitivity: 2.5V/lux.s
17. Signal to Noise Ratio: 42dB (MAX)
18. White balance: automatic
19. Exposure: automatic
20. Operating System: Win10, Win8, Win7, Vista, WinXP, LINUX
21. Lens structure: 2G+IR
22. Aperture: F4.5
23. Lens viewing angle: 16 degrees
24. Interface and signal transmission mode: Micro/USB2.0
Packing list:
-Microscope x 1
-Bracket x 1
-Calibration ruler x 1
-Installation disc x 1
-Instruction manual x 1