1. Pixel VGA-30W, frame rate up to 30FPS in Full HD VGA, smooth video output
2. Driver-free plug-and-play, support UVC protocol, high-speed USB 2.0 output, 480Mbps transfer rate
3. GC0308 HD sensor chip, low noise, low power consumption, high sensitivity
4. It can be applied to facial recognition, security monitoring, smart home, mobile payment, etc.
5. Pixels: 0.3 megapixels (648x488)
6. Light sensitive chip: GC0308 (1/6.5 inch) CMOS
7. Format: MJPEG, YUY2, YUV
8. Frame rate: 30 fps 24 Mhz, VGA
9. Interface: USB 2.0 driver-free, plug-and-play
10. System Compatibility: Windows, Android, Linux
11. Size: about 38 x 38 mm

1. Low power consumption chip, low heat generation
2. Built-in 802.11a/b/g/n 300Mbps 5GHz high-speed Wi-Fi and high-sensitivity gain antenna
3. Support DLNA, Airplay, Miracast, Ezcast, Airplay Mirror and other interconnection protocols
4. A powerful tool from small screen (cell phone screen) to big screen (TV screen)
5. When you push the holder, the mobile phone does not occupy the charged traffic, and the mobile phone becomes a remote control
6. Support multi-threading and does not affect other functions of the mobile phone when pushing the stand
7. Support multiple people and multiple mobile phones to connect at the same time, share their wonderful together
8. Hard decoding, support smooth playback of videos and photos taken by all smartphones
9. Compatible with streaming media formats of various protocols, free to enjoy huge video resources on the Internet
10. Support 720/1080P HD output, enjoy the image quality
11. Support WPS one-key encryption, quickly connect with router or AP configuration
12. Fashionable and compact design, it is a good companion for home travel
13. AM8252 processor, 128 MB RAM

Brand: JNN
Item No.: Q33
Screen Size: 2.8 inches (inch)
Memory Card Type: No expansion card is supported
Operation mode: button
Interface: Mini USB
Headphone Jack: 3.5 headphone jack
Support audio formats: MP3, WMA, WAV
Screen color: OLED
Screen resolution: 160x128
Frequency response range: 48 Hz
Menu language: Chinese and English
Additional features: Direct recording function
Battery type: lithium battery
Battery capacity: 200mAh
Lifespan: 20 (hours)
Product size: 115X33X10mm
Weight: 67 (g)
Body color: silver gray
Memory capacity: 4GB, 8GB, 16GB, 32GB

Packing list
Voice recorder x1
Box x1
Earphone x1
Data line x1
Manual x1
Warranty card x1

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.

Hardware specifications.
1. Chipset: Espressif-ESP32-SCROOM, LAN8720A Ethernet chip, SI 3404 power management chip
2. Flash: 4 MB
3. RAM: 8 MB
4. SRAM: 520 KB SRAM
5. Button: robot, rest
6. External device: TF card slot, Type-C interface, PA2369NL 1825-S transformer, HR861153C Ethernet-Poe interface
7. USB to TTL: CP 2104
8. Modular interface: SD card, UART, SPI, I2C, PWM, I2S, ADC
9. Satellite clock: 32.768 MHz crystal oscillator
10. Operating temperature range: -40 degrees Celsius to +85 degrees Celsius
11. Dimensions: 70x52.3x17mm
12. Weight: 26.85 g

Power Specifications
1. Power input: USB Type-C 5V
2. HR861153C Ethernet-Poe Ethernet interface: 50V
3. Working voltage: 2.7V-3.6V
4. Output current: about 1.2a
5. Charging current: 500mA
6. USB: USB Type-C

Wifi
1. Standard: FCC / CE-RED / IC / TELEC / KCC / SRRC / NCC (ESP 32 chips)
2. Protocol: 802.11 B/G/N (802.11n, 150Mbps acceleration) A-MPDU and A-MSDU Aggregation, support 0.4? protection interval
3. Frequency range: 2.4Ghz~2.5GHz (2400m~2483.5m)
4. Transmit Power: 22 dBm
5. Communication distance: 300 meters

Bluetooth
1. Protocol: Complies with Bluetooth V4.2BR/EDR and BLE standards
2. Radio frequency: -97 DBM Sensitivity NZIF Receiver Class-1 Class-2 Class-3 Emitter AFH AFH
3. Audio: CVSD & SBC Audio

Software Specifications
1. Wi-Fi Mode: Workstation / SoftAp / SoftAp + Station / P2P
2. Security mechanism: WPA / WPA 2 / WPA 2-Enterprise / WPS
3. Encryption type: AES / RSA / ECC / SHA
4. Firmware Update: Download UART/OTA (Download and write firmware via network/host)
5. Software development: Support cloud server development / SDK for user firmware development
6. Network Protocol: IPV 4, IPV 6, SSL, TCP/UDP/HTTP/FTP/MQTT
7. User configuration: + instruction set, cloud server, Android / Iosapp
8. OS: Freertos

1. Plug and Play, easy to use
2. The unobstructed distance is more than 20 meters and the signal is stable
3. High-density anti-splash sponge, high-sensitivity microphone, 360-degree radio without end alleys, quick response and delicate radio
4. Small size and easy to carry
5. Applicable scenarios: live broadcast, recording, online teaching, conference, etc.

1 Pair YG-811 0.5W Kids Wireless Walkie Talkie
1. Frequency range: 462.550-467.7125 (MHz)
2. RF output power: 0.5 (W)
3. Number of channels: 1 ~ 22 (a)
4. Theoretical communication distance: 3~5 (km)
5. Working voltage: 7.5 (V)
6. Frequency stability: battery type 2.5 (PPM)
7. Power supply: 3 x AA batteries (not included)
8. Size: about 16x4x3cm (single)
9. Weight: about 100 grams (single)

1. This is a fireproof panel.
2. Support pressure overcurrent protection.
3. Easy to install, same as ordinary sockets, can be mounted on wall or table and other positions
4. USB charging application: Suitable for all kinds of 5V USB charging, such as a variety of mobile phones, digital cameras and other digital electronic products.
5. Applications: Site dormitories, school dormitories, office districts, corporate offices, railway stations and so on.

1) Brand new and high quality

2) 3-pin female XLR connector

3) Suitable for microphone

1. Space saving desk workstation for home and office
2. Promote well-being and productivity in daily routines and home entertainment.
3. Extend, retract and fold the keyboard tray room space.
4. Sitting or standing working positions as your choice.
5. Cast aluminum alloy with refined and powder coated in white or black.
6. Ergonomic comfort to relieve eye, neck and back tension.
Specification:
1. Model Number: L80
2. Product Name: NB Desk Table LCD Monitor Stand
3.Type: LCD monitor stand
4. Material: Aluminum alloy+ABS
5. Color: Black
6. Vesa: 75 x 75mm/100 x 100mm
7. TV Size: 17-32 inches
8. Usage: Charging the LCD LED Plasma TV Monitor
9. Load capacity: 11 kgs
10. Application: Home Office

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

Overview
This is a 5.5 inch AMOLED display. Compared with LCD, it has the advantages of high contrast, wide color gamut and wide viewing angle, which can provide a vivid and delicate visual experience.

Characteristics
1. 5.5-inch AMOLED, 1080x1920 resolution
2. Tempered glass capacitive touch panel, 6H hardness
3. Supports popular mini PCs such as Raspberry Pi, Jetson Nano and general desktop computers
4. When working with Raspberry Pi, it supports Raspbian/Ubuntu/Kali/Retropie, without drivers
5. When working as a computer monitor, it supports Windows 10/8.1/8/7, five-point touch and free driver
6. 3.5mm audio jack, support HDMI audio output
7. M2.5 screw holes for easy mounting

Package Contents
1. 5.5 inch HDMI AMOLED x1
2. HDMI cable x1
3. USB Type A plug to Micro B plug cable x1
4. HDMI adapter (B) x1
5. USB adapter (B) x1
6. Screw package x1

Characteristics
1. 2.8 inch IPS capacitive touch screen with a hardware resolution of 480 x 640.
2. 5-point capacitive touch control.
3. Tempered glass capacitive touch panel, hardness up to 6H.
4. Drive LCD directly via Raspberry Pi DSI interface with a refresh rate of up to 60Hz.
5. Working with Raspberry Pi, support Raspberry Pi operating system.
6. Support Pi 4B/3B+/3A+, CM3+/4 needs to be used with an adapter board.
7. Control the backlight brightness via software.
List of packages
1. 2.8 inch DSI LCD x1
2. FPC 15PIN 1.0 50mm pitch (opposite sides) x2

1. Material: Tungsten Steel
2. Weight: 100g
3. Type: Repair Tool Series
4. Serial number: 10
5. Item No.: MHz-10

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. Working voltage: 1.8~13.7V
2. Acceptable current: 10 ~ 114 mA
3. Emission current:
- 120mA at + 20dBm
- 90 mA is at + 17dbm
- 29mA at + 13dBm
4. Working frequency: 923MHz
5. Transmit power: +20dbm
6. Sensitivity reception:
- 139DBM is located at Lora & 62.5khz & SF = 12 & 146bps
- 136DBM is at Lora & 125khz & SF = 12 & 293bps
- 118DBM It is located at Lora & 125khz & SF = 6 and 9380bps
- 123DBM lies at FSK and 5KHz and 1.2Kbps
7. Frequency error: +/- 15kHz
8. FIFO space: 64bytes
9. Vote on data:
-1.2K ~ 1300 kbps at FSK
-0.018k ~ 37.5kbps to Lora
10. Modulation mode: FSK, GFSK, MSK, GMSK, Lora TM, Ook
11. Interface Module: SPI
12. Sleep Current:
- 0.2UA Sleep
- 1.5Ua Idle.
13. Working temperature: -40 degrees Celsius- +85 degrees Celsius
14. Digital RSSI function
15. Automatic frequency correction
16. Automatic gain control
17. Low voltage detection and temperature sensor
18. Fast Wake-up and Frequency Skipping
19. Highly configurable package manager
20. Global Positioning System
21. Neo-6m GPS module, universal 3V-5V power supply
22.Designated module with ceramic antenna, super signal
23. Save EEPROM configuration parameter data
24. Battery with data backup
25. LED signal indicator
26. Default baud rate: 9600
27. Power: TP5400, 1A Battery Management
28. LED indicator
29. CP2104-GMR
30. Pre-flash firmware: softrf v4.0

This product is based on Lora radio frequency, 868 MHz (common in North America), 915 MHz (common in Europe) and 433 MHz (common in Asia Pacific)

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

1. Image unit: LCD
2. Resolution: 800x480
3. Brightness: 1000 lumens
4. Light source type: LED
5. Contrast ratio: 1000:1
6. Aspect ratio: 16:9/4:3
7. Supports 23 languages
8. Image size: 35-100 inches
9. Machine power: 45W
10. Working voltage: 100-240V/50-60Hz
11. Input interface: HDMI/USB
12. Built-in YouTube, can read U disk, mobile hard disk, mobile phone, iPad, etc.

Characteristics
1. Built for Run-and-gun: To capture those fleeting moments of inspiration, MoveLink II offers all the features you need as a run-and-gun audio kit. Small, because you only need one hand to hold the entire system; convenient, because it has a back clip (compatible with shoe mount) and a built-in microphone for clips and recording. Just grab the kit and go!
2. Audio deserves your creativity: When creative ideas strike, you don't want to ruin them with poor audio quality. Get MoveLink II today and enjoy detailed, professional audio! The system makes a huge leap in sound quality over the built-in microphone of cameras and mobile devices and uses advanced noise cancellation technology, which reduces annoying ambient noise with just one simple press.
3. Control, never so easy: The intuitive display keeps you informed at every stage. With one or more presses, you can easily pair the system, reduce noise, mute or unmute, adjust the volume and so on. The system also has a 3.5mm audio port for real-time monitoring, in case your camera does not have one.
4. 100m Extended Operating Range: With a maximum transmission range of 100 meters, distance will no longer limit your creation. Adopts frequency hopping technology, which ensures a more stable signal and avoids interference even in places with Bluetooth and Wi-Fi traffic.
5. Prepared for Two-Person Scenarios: For conditions where two people need to record at the same time, the dual-channel system can also handle it well. In addition, it has mono/stereo mode to combine or separate the two audio tracks for better post-processing.
6. Portable Charging Case: The smartphone-sized case is easy to put in your pocket or bag and carry around. With it, you can charge two transmitters and one receiver together with just one type-c cable.
7. Ready for All-Day Creation: Built-in lithium-ion battery ensures all-day free creation without interruption. Just after a one-time full charge, the transmitter can work for 10 hours and the receiver for 8 hours.
8. High Compatibility: With the included 3.5mm TRS-TRS and TRS-TRRS cables, the system is compatible with multiple devices such as smartphones, cameras, computers, tablets and recorders...
9. Two Color Options: The MoveLink II provides black and white colors for your free choice! Whether you want better concealment when recording or just a favorite gear color, there is an option to suit you!
Specifications
Receiver
Simulated output: 3.5mmTRS
Transmitter
1. Sensitivity: -32dB+/-2dB
2. Max. SPL: 110 dB
3. Simulated input: 3.5mm TRS lavalier microphone input
4. Frequency range: 50Hz-20KHz
5. Signal to noise ratio: 70dB or higher
6. Attachment method: Rear clip (installed on the camera hot shoe)
7. Display: TFT display
8. Dynamic range: 90 dBA (microphone preamp)
9. Working range: max.100m (in no shelter situation)
10. Power supply: Built-in lithium battery
11. Working time: RX: about 8 hours; TX: about 10 hours (the working time of
12. TX and RX vary depending on different environments)
Battery capacity: 300mAh
13. Transmission type: 2.4GHz frequency hopping system
14. Sound detection mode: Omnidirectional
15. Working environment: Temperature: -10~50 degrees C
16. Dimensions: Length 50mm x Width 40mm x Thickness 14mm
17. Weight: 27 g
List of packages
1. Receiver x 1
2. Transmitter x 2
3. Lavalier Microphone x 2
4. Blurred windshield x 2
5. TRS - 3.5mm TRS Cable x 1
6. 3.5mm TRS - TRRS Cable x 1
7. USB-C cable x 2
8. Magnetic plate x 3
9. Wrist strap x 1
10. Charging case x 1

1. Two ways to control your home appliances: APP control, touch on/off, when you are at home, touch it or turn it off, when you are away, use mobile APP to control or monitor at any time.
2. The soft LED backlight will make the switch easier to find and make the night a little more cozy.
3. Exquisite craftsmanship, tempered glass panel, high temperature case.
4. Single/repeat/countdown timing to automate on/off.

1. POE: Integrates 802.3AF compliant POE circuit (5V / 2.5A)
2. USB: USB 2.0 x 4
3. GPIO: Raspberry PI 40 Pin GPIO
4. Header:
- RS485 x 1
- RS232 x 1
- PCIE GEN 2 x 1
5. HD multimedia interface: HDMI X 2, support 4K 30FPS output
6. DSI Display: MIPI DSi X 2 (15pin 1.0mm FPC)
7. CSI Camera: MIPI CSI-2 x 2 (15pin 1.0mm FPC)
8. Power input: 5V
9. Fan: 5V / 12V (allows speed adjustment and measurement)
10. RTC: Real-time clock with battery power and wake-up capability Computing module 4
11. RJ45 Ethernet: Gigabit Ethernet
12. Slot cm4: suitable for all variants of the computing module 4
13. SD card slot: microSD card socket for Compute Modules 4 lite (without EMMC) Variants
14. Dimensions: 124.50 x 108.80mm

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)

1. Using the pogo pin connection, Zero 2W can be easily connected
2. Easily compatible with Raspberry Pi 3B / 3B+ board interfaces
3. Built-in headphone jack (extended by USB) and an additional speaker header
4. Built-in 4-channel USB ports, compatible with USB 2.0 / 1.1 transmission
5. Built-in RTL8152B Ethernet chip, support 1-channel RJ45 Ethernet port, 10/100M adaptive
6. Not compatible with first generation Zero
Package List:
1. Zero to Pi3 adapter (B) x 1
2.HD-MI adapter x 1

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. HDMI interface, support 4K 30Hz resolution
2. Type-C interface, connect to laptop and mobile phone
3. USB connection to USB power, USB socket
4. HDMI interface to connect high definition TV, monitor, projector
5. Support Win7/8/10, Mac OS

1. The appearance is fashionable, the hand feels comfortable, the shell is sturdy, wear-resistant and not easy to scratch
2. Suitable for warehousing, dock, construction sites, tourism, hotels, logistics, factories, etc.
3. Functions: Emergency alarm, scan, squelch, vox, tot (timeout timer), busy channel lock, power saving. Scrambler, Chinese and English voice prompts, etc.
4. Wide / narrow bandwidth selection (25kHz / 12.5khz)
5. High / low power optional
6. CTCSS & DCS Encoding / Decoding
7. Chinese and English voice prompts
8. Low battery warning
9. Power protection function
10. Support PC programming
11. Frequency range: UHF: 400-480 MHz
12. Power: 2.5W
13. Channel capacity: 16
14. Battery capacity: Li-Ion 1100mAh
15. Channel spacing: 25 / 12.5khz
16. Working voltage: DC 3.7V
17. Antenna: SMA-F/K
18. Antenna impedance: 50 ohms
19. Size: 12.1x6.2x3.1cm
20. Weight: 203G

Note: The product does not have headphones

1. Gold-plated plug with good contact performance and not easy to oxidize
2. Electroplating metal shell, durable and anti-interference.
3. 24AWG all copper conductor wire with double layer shielding, which can effectively resist interference and reduce noise and provide high fidelity sound quality. The outer diameter of the wire is 5mm.
4. The 3.5mm interface adopts male thread design, which can be connected to both the normal 3.5mm female interface and the female thread interface.
5. Product use: Can be used for microphone, mixer, wireless microphone, professional camera and other equipment. Balanced connection, supporting 48V phantom power.

1. Material: Iron
2. Resistance trend: AC 500V (50Hz) / min
3. Rated load: DC 50V 0.2A
4. 10 pieces will be shipped
5. Size: 8.0cm x 1.2cm x 1.2cm

1. Supply current: 0-20mA
2. Supply voltage: 0-10V.
3. Power supply voltage: 7-36V.
4. Packaging: Static bag
5. Features: wide supply voltage range, support multiple ranges, high stability, good linearity, high-precision color ring resistance, high precision, low temperature drift, high power

Brand: JNN
Item No.: Q33
Screen Size: 2.8 inches (inch)
Memory Card Type: No expansion card is supported
Operation mode: button
Interface: Mini USB
Headphone Jack: 3.5 headphone jack
Support audio formats: MP3, WMA, WAV
Screen color: OLED
Screen resolution: 160x128
Frequency response range: 48 Hz
Menu language: Chinese and English
Additional features: Direct recording function
Battery type: lithium battery
Battery capacity: 200mAh
Lifespan: 20 (hours)
Product size: 115X33X10mm
Weight: 67 (g)
Body color: silver gray
Memory capacity: 4GB, 8GB, 16GB, 32GB

Packing list
Voice recorder x1
Box x1
Earphone x1
Data line x1
Manual x1
Warranty card x1