Search results for "school electronics"

1. Screen: 2.4-inch, IPS HD2. Camera: VGA lens; rotatable lens for taking photos3. Printing: 200 DPI4. Paper specifications: 57x30mm thermal paper5. Battery: 1300mAh6. Usage time: Approx. 1 hour of continuous shooting / prints 3-5 rolls of paper7. Main functions: Photo/video recording; instant photo printing8. Shooting modes: Photo stickers / burst mode / time-lapse / 3-minute loop recording9. TF card expansion: Supported up to 32GB (not included)10. Charging port: Type-C11. Languages: Chinese, English, Russian, Italian, Japanese, German, Polish, Dutch, Czech, Hungarian, Romanian12. Product dimensions: 87x55x90mm13. Net weight: 212g14. Package contents: Camera x1, User manual x1, Charging cable x1, Lanyard x1, Thermal paper roll x1Specification: Package Weight One Package Weight 0.28kgs / 0.63lb One Package Size 13cm * 11cm * 7cm / 5.12inch * 4.33inch * 2.76inch Qty per Carton 30 Carton Weight 9.00kgs / 19.84lb Carton Size 36cm * 34cm * 28cm / 14.17inch * 13.39inch * 11.02inch Loading Container 20GP: 778 cartons * 30 pcs = 23340 pcs40HQ: 1806 cartons * 30 pcs = 54180 pcs

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1. Mini body, compact and portable to carry in pocket. 2. Single-Band Display. 3. Frequency Range: 400-470(MHz) 4. Number of channels: 16 5. Operating Voltage: DC 3.7V 6. Theoretical communication distance: 5-10km 7. Communication type: Cannot insert cardSpecification: Package Weight One Package Weight 0.64kgs / 1.41lb One Package Size 27cm * 23cm * 7cm / 10.63inch * 9.06inch * 2.76inch Qty per Carton 12 Carton Weight 8.30kgs / 18.30lb Carton Size 53cm * 40cm * 24cm / 20.87inch * 15.75inch * 9.45inch Loading Container 20GP: 524 cartons * 12 pcs = 6288 pcs40HQ: 1216 cartons * 12 pcs = 14592 pcs

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Features1. 44MP Pixel Digital Camera: With 44 megapixels, 2.7K movie size, F/3.2 and 16x zoom, the camera with 2.88-inch IPS display is a powerful unit, yet as compact as the palm of your hand. 2. Intelligent detection: With face detection and smile detection functions, when a smile is detected, the camera can intelligently track the face and intelligent shutter. Beauty mode can make you more attractive. 3. Powerful functions: 2s/5s/10s Selfie and anti-shake mode, make the camera more user-friendly when taking pictures and videos. Support Max.128GB external memory card, which can store larger HD files. 4. Powered by rechargeable battery: Powered by built-in rechargeable battery, the camera can be charged from a computer or a power bank via a USB cable. Automatic shutdown saves power 5. Lightweight and portable: The camera weighs only 93g/3.28 and comes with a hand strap for easy portability. Bottom 1/4 inch thread provides universal compatibility with tripods and monopods.Specifications1. Display: 2.88 inch IPS LCD screen (4:3) 2. Focal length: f=7.36mm 3. Aperture: F/3.2 4. Image sensor: 8MP CMOS image sensor 5. Movie size: 2688 x 1520 2.7K, 1920 x 1080 HD, 1280 x 720 HD, 640 x 480 6. Image resolution: 44M (7600 x 5800), 36M (7936 x 4480 HD); 24M (5600 x 4200); 20M (5200 x 3900); 12M (4000 x 3000); 10M (3648 x 2736); 8M (3264 x 2448); 7M wide (3648 x 2048 HD); 5M (2592 x 1944); (2048 x 1536) 7. Memory Card: Support SD memory card and MMC card (4GB to 128GB), not included 8. File format: JPG, AVI 9. Selfie: 2s/5s/10s 10. Digital zoom: 16X 11. White balance: Auto/Daylight/Cloudy/Fluorescent/Tungsten 12. Exposure compensation: -3.0~+3.0 13. USB interface: USB 2.0 14. Automatic shutdown: 1 minute / 3 minutes / 5 minutes / no shutdown 15. Power supply: Rechargeable lithium battery 750mAh 16. Operating system requirements: Compatible with Windows XP/Vista/7/8/10; Mac-os 10.2Package List1. Camera x 1 2. USB Cable x 1 3. Lanyard x 1 4. US Plug Power Adapter x 1 5. Carry Bag x 1 6. Manual x 1Specification: Package Weight One Package Weight 0.42kgs / 0.93lb One Package Size 16cm * 10cm * 8cm / 6.3inch * 3.94inch * 3.15inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 42cm * 33cm / 16.54inch * 16.54inch * 12.99inch Loading Container 20GP: 458 cartons * 40 pcs = 18320 pcs40HQ: 1063 cartons * 40 pcs = 42520 pcs

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1. CPU: RK3399 4 x Cortex-A53 + 2 x Cortex-A722. RAM+ROM: 2GB+16GB / 4GB+32GB, Android 12 operation system3. 32 inch IPS screen, 1920x1080 resolution, 16:9 aspect ratio, 10 point capacitive touch4. Support WiFi 802.11b/g/n/a/ac, Bluetooth 5.0, 100M/1000M Ethernet5. Media format:- Video formats: MPEG-1, MPEG-2, MPEG-4, H.265, H.264, H 263, VC-1, VP8, VP9, MVC, etc. Support up to 4K- Audio format: MP3, WMA, AAC, WAV, OGG, etc-Picture format: JPEG, PNG, GIF, etc6. Interface: 1xType-C, 1xUSB3.0, 2xUSB2.0, 1xHDMI-in(1920x1080 60Hz), 1xDC power jack, 1xRJ45, 1x3.5mm headphone jack7. Double speakers 4 ohm 5W, dual microphones support noise reduction and echo cancellation8. 100x100mm wall-mounted VESA hole9. 12V/5A adapter, US / EU /UK plug optionalSpecification: Package Weight One Package Weight 8.80kgs / 19.41lb One Package Size 83cm * 13cm * 51cm / 32.68inch * 5.12inch * 20.08inch Qty per Carton 1 Carton Weight 10.00kgs / 22.05lb Carton Size 85cm * 15cm * 53cm / 33.46inch * 5.91inch * 20.87inch Loading Container 20GP: 394 cartons * 1 pcs = 394 pcs40HQ: 916 cartons * 1 pcs = 916 pcs

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1. This product is an AI development board based on ESP32-S3, integrating camera interface (DVP), SPI/QSPI display interface, and audio capture and playback functions, balancing low cost, high performance, and low power consumption to meet diverse smart terminal development needs. It supports integration with online AI platforms such as Xiaozhi/Doubao/DeepSeek, enabling human-computer interaction functions like voice dialogue and Q&A recognition. It also provides an Edge Impulse object detection example supporting real-time and multi-object recognition, suitable for rapid development of AI voice interaction, edge vision detection, HMI screen applications, and smart camera products. 2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a maximum main frequency of 240MHz. 3. Built-in 512KB SRAM, 384KB ROM, onboard 8MB PSRAM and 16MB Flash. 4. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with excellent RF performance. 5. Dual microphone array supporting noise reduction and echo cancellation for high-quality voice interaction. 6. Expansion and interfaces: --SPI/QSPI LCD display interface --24PIN DVP camera interface --USB, I2C, and UART interfaces accessible. 7. Onboard lithium battery charging circuit supports 3.7V lithium battery power supply. 8. Reserved 2 user-defined buttons. 9. The overall solution is highly integrated with rich interfaces, suitable for rapid prototyping and application deployment of AIoT smart terminal products.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 12.60kgs / 27.78lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 96 pcs = 55968 pcs40HQ: 1354 cartons * 96 pcs = 129984 pcs

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1. Intelligent touch panel, precise touch, sensitive and not stuck2. Using DLP display technology, 4K HD decoding3. Support desktop front projection, rear projection and hanging projection4. Support 3D movie playback, built-in battery speaker, can wirelessly mirror mobile computers on the same screen5. Support Bluetooth version 5.06. Equipped with infrared remote control, making entertainment and work easier7. With ARM Mali-G31 MP2 GPU processor, using 4-core ARM Cortex-A55 CPU8. Support Android 9.0 operating system9. Support dual-band 2.4G/5G WiFi, fast transmission speed10. Slim mini body, carry it with you and hold it with one hand11. Built-in wear-resistant coated glass lens, LED bulb, to ensure that the screen is bright and stable, and the light life is up to 20,000 hours12. Projection size: 30-300 inches13. Video decoding: support 4Kx2K, HEVC/H.26514. Audio format: MP3, AC3, OGG, APE, FLAC, AAC, WAV, WMA15. Video format: mkv,wmv,mpg,mpeg,dat,flv,avi,mov,iso,mp44,rmvb,jpg16. TF card slot: maximum support 32GB17. DDR3 2GB cache, 16G memory. Support plug-in U disk video playback, PPT speech.Specification: Package Weight One Package Weight 0.60kgs / 1.32lb One Package Size 20cm * 15cm * 10cm / 7.87inch * 5.91inch * 3.94inch Qty per Carton 10 Carton Weight 7.50kgs / 16.53lb Carton Size 22cm * 32cm * 52cm / 8.66inch * 12.6inch * 20.47inch Loading Container 20GP: 728 cartons * 10 pcs = 7280 pcs40HQ: 1691 cartons * 10 pcs = 16910 pcs

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1. Using TDMA technology, combined with Tier II, AMBE++ vocoder design, compatible with DMR two-way radios such as mototrbo2. The color display allows users to check the operating status at a glance, including battery power and caller identity, etc.3. IP67 waterproof and dustproof function, so you can use them anywhere without worrying about the surrounding environment4. Function: high/low power optional, digital encryption, emergency alert, VOX, scan, message, etc.5. Frequency range: 400-470MHz6. Channel capacity: 1024 channels7. Channel spacing: 12.5KHz8. Working voltage: 7.4V9. Battery capacity: 2800mAh (lithium ion)10. Antenna impedance: 50 ohms11. Size: 148x56x39mmTransmitter:1. Output power: 10W / 4W2. Frequency stability: +/-1.0ppm3. Adjacent channel power: less than or equal to -60dbm4. Idle time slot power: TDMA: less than or equal to -57dBm5. FM modulation mode: 12.5KHz: 11K0F3E6. Modulation deviation: 2.5KHz: @ 12.5KHz7. Passive time slot power: -57dBm8. Modulation: BER is less than or equal to 5%9. Vocoder type: AMBE ++Receiver:1. Common channel reflection: greater than or equal to -12dB2. Adjacent channel selectivity: TIA603C: 65dB, ETSI: 60dB3. Spurious response: TIA603C: 75dB, ETSI: 70dB4. Audio power: 1W5. Audio response: 1db--3db6. Rated audio distortion: less than or equal to 3%Specification: General Model RT83 Frequency Range 400MHz-470MHz Channel Spacing 12.5KHz Antenna Impedance 50 ohms Voltage 7.4V Battery Capacity 2800mAh Max Power 10W Audio Response 1db--3db Audio Distortion less than or equal to 3% Size 148x56x39mm Transmitter Parameters Maximum Deviation =<+/-2.5kHz Receiver Parameters Intermodulation 60dB, 65dB Package Weight One Package Weight 0.89kgs / 1.96lb One Package Size 21cm * 9cm * 17cm / 8.27inch * 3.54inch * 6.69inch Qty per Carton 10 Carton Weight 10.35kgs / 22.82lb Carton Size 21cm * 45cm * 34cm / 8.27inch * 17.72inch * 13.39inch Loading Container 20GP: 829 cartons * 10 pcs = 8290 pcs40HQ: 1926 cartons * 10 pcs = 19260 pcs

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About the product1. Superior metal body provides strength and durability. 2. It has code lock function, data regeneration function, one key intelligent copy function. 3. Handy key chain size attaches to your car keys no more unwanted bulkiness. It can copy the IC model of original remote control is 2262/2260/PT2264 and etc. 4. High speed and high accuracy, the code is not easy to loss. 5. Scope of application: vehicle central locking systems, garage doors, electronic gates, electrical appliances, car sunroofs and etc.Specification: General Voltage DC 12V Working Frequency 433MHz Modulation Mode ASK Keys Quantity 4 Keys Transmission Rate 50-60KHz Encoding Types Learning Code Working Chip EV 1527 Resistance 330K Working Range 20-50m Operating Temperature -10-50 Degrees Celsius Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 5.3cm * 3cm * 1cm / 2.09inch * 1.18inch * 0.39inch Qty per Carton 300 Carton Weight 10.00kgs / 22.05lb Carton Size 25cm * 20cm * 20cm / 9.84inch * 7.87inch * 7.87inch Loading Container 20GP: 2666 cartons * 300 pcs = 799800 pcs40HQ: 6190 cartons * 300 pcs = 1857000 pcs

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Temperature-Humidity Sensor, DHT11 OnboardOverviewThis is a calibrated digital temperature and humidity module with onboard sensor DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.Specifications1. Temperature- Resolution : 1 degree C- Accuracy : +/-2 degree C- Measuring range : 0 degree C ~ 50 degree C2. Humidity- Resolution : 1%RH- Accuracy : +/-5%RH (0~50 degree C)- Measuring range : 20%RH ~ 90%RH (25 degree C)3. Operating voltage : 3.3V ~ 5.5 V4. Recommended storage condition- Temperature : 10 degree C ~40 degree C- Humidity : 60%RH or belowApplications1. Weather station2. Humidity controller3. Test & detection deviceHow to UseIn the case of working with a MCU:1. VCC: 3.3V ~ 5.5V2. GND: GND3. DOUT: MCU.IOPackage Contents1. DHT11 Temperature-Humidity Sensor x12. 3-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 4cm * 3cm * 1cm / 1.57inch * 1.18inch * 0.39inch Qty per Carton 7800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 7800 pcs = 2215200 pcs40HQ: 661 cartons * 7800 pcs = 5155800 pcs

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1. Voltage range: 0-100V (DC)2. Voltage range: automatic, 1V, 10V, 100V3. Resistance: 0-200 ohms4. Resistance range: automatic, 20 milliohms, 200 milliohms, 2 ohms, 20 ohms, 200 ohms5. Instrument test signal frequency: AC 1Khz6. Charging: TYPE-C interface (5V/1A)7. Built-in battery: 1000mAh lithium battery8. Stable support, integrated folding bracket9. Firm and reliable without occupying space, back hanging hole gourd nail design10. Place on the desktop to work without slipping, silicone anti-slip design11. According to actual needs, you can freely choose the automatic shutdown mode or set a specific shutdown time, which is safe to use and can extend the life of the device12. One-click pause, memory stay, data retention13. The test uses a customized Kelvin 4-wire connection method to connect and measure, avoiding the influence of wire resistance and contact resistance, improving test accuracy15. Eight sets of voltage resistance values ??are pre-set, whether it is batch screening of high-quality batteries or precise positioning of problem batteries, it can be completed in an instant, greatly improving work efficiency16. Using TFT high-definition color screen, functional data is clear at a glance, and visual recognition efficiency is faster and smoother17. Size: 158.7x80.5x28.4mm18. Weight: 225gSpecification: Package Weight One Package Weight 0.45kgs / 0.99lb One Package Size 22cm * 14cm * 9cm / 8.66inch * 5.51inch * 3.54inch Qty per Carton 15 Carton Weight 23.80kgs / 52.47lb Carton Size 64cm * 39cm * 46cm / 25.2inch * 15.35inch * 18.11inch Loading Container 20GP: 232 cartons * 15 pcs = 3480 pcs40HQ: 539 cartons * 15 pcs = 8085 pcs

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OverviewThis AlphaBot2 robot kit is designed to use with Raspberry Pi 3 Model B. It features rich common robot functions including line tracking, obstacle avoiding, Bluetooth/infrared/WiFi remote control, video monitoring, etc.Thanks to the highly integrated modular design, it is fairly easy to assemble by a snap, no soldering, no wiring. After a few minutes spent on hardware assembing, you're almost there, our open source demo codes is ready to help you get started fast.Raspberry Pi 3 Features1. BCM2837, 1.2GHz 64-bit quad-core ARM Cortex-A532. 1GB RAM3. 10/100 Ethernet port4. 802.11n WiFi NIC5. Bluetooth 4.1 & Bluetooth Low Energy (BLE)6. HDMI port7. USB 2.0 interface x 48. Micro SD card slot9. Combined 3.5mm audio jack and composite video10. 40-pin GPIO interface11. Camera interface (CSI)12. Display interface (DSI)13. Upgraded power management, supports more peripherals (requires a 2.5A power supply or above)AlphaBot2 FeaturesAlphaBot2 employs a 2-layer structure to provide excellent stability and compatibility.AlphaBot2-Base, the lower base chassis:1. 5-ch infrared sensor, analog output, combined with PID algorithm, stable line tracking2. Onboard modules like line tracking, obstacle avoiding, needs no messy wiring3. TB6612FNG dual H-bridge motor driver, compared with L298P, it's more efficient, more compact, and less heating4. N20 micro gear motor, with metal gears, low noise, high accuracy5. 5Onboard RGB LEDs, true color lighting, pretty coolAlphaBot2-Pi, the upper adapter board for controller:1. LM2596 voltage regulator, provides the Pi with stable 5V power2. TLC1543 AD acquisition chip, allows the Pi to use analog sensors3. PCA9685 servo controller, make it more smoothly to rotate the pan head4. CP2102 UART converter, easy for controlling the Pi via UARTPackage Contents1. AlphaBot2-Pi (adapter board) x12. AlphaBot2-Base (base chassis) x13. RPi Camera (B) x14. Micro SD Card 16GB x15. Power adapter US standard 5V/3A micro x16. SG90 servo x25. 2 DOF pan and tilt kit x17. IR remote controller x18. FC-20P cable 8cm x19. USB type A plug to micro B plug cable x110. 15PIN FFC 25cm x111. AlphaBot2-Pi screws x112. Micro SD Card Reader x1 (Extra Free)13. Screwdriver x1 (Extra Free)Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 15cm * 11cm * 8cm / 5.91inch * 4.33inch * 3.15inch Qty per Carton 60 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 33cm * 40cm / 23.62inch * 12.99inch * 15.75inch Loading Container 20GP: 336 cartons * 60 pcs = 20160 pcs40HQ: 781 cartons * 60 pcs = 46860 pcs

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Features: 1. Light and beautiful structure, high sensitivity 2. With a small back bag easy to carry, suitable for requiring relatively high places 3. Applications: Gold and silver jewelry, jewelry factory security and the need for a quiet school entrance examination venue mute checks. Specifications: 1. Sensitivity: A25-cent coin (60mm) 2. Iron pipe-tube: In 20 to 120mm 3. Operating frequency: 13KHz 4. Operating current: Less than 6mA 5. Power supply: 6F22 9V battery 6. Low battery indicated 7. Alert: Audio & LED light 8. Tuning: Automatic 9. Temperature environment: -10 ~50 degree celsius 10. Alarm: Vibration, sound and light alarm, with headphone output (headphones optional) 11. Detection sensitivity: Detection of one yuan coin, the detection distance 6cm and above 12. Current work: Sound and light is less than 20mA, the vibration is less than 70mA 13. Dimension: 420mm x 80mm x 40mm 14. Weight: 430gSpecification: Package Weight One Package Weight 0.01kgs / 0.02lb Qty per Carton 20 Carton Weight 9.80kgs / 21.61lb Carton Size 50cm * 35cm * 35cm / 19.69inch * 13.78inch * 13.78inch Loading Container 20GP: 435 cartons * 20 pcs = 8700 pcs40HQ: 1010 cartons * 20 pcs = 20200 pcs

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