Search results for "school electronics"

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. Ergonomics, not tired after holding it for a long time2. Put it back into the charging base to charge, and the battery life is long lasting3. The base receives information wirelessly, stable and fast4. Using the principle of photoelectric coupling, the barcode printing pattern is imaged and then decoded; it can easily scan common one-dimensional barcodes and screen barcodes5. Scan mode: hand-held button trigger scan6. Scanning rate: 200 times/sec7. Interface type: USB interface8. Working voltage: DC 3.3-4.2V9. Surrounding lighting: 200lx10. Rated power: 0.532w11. Scanning current: 140mA12. Standby current: 10mA13. Prompt mode: buzzer, LED indicator14. Battery capacity: 1000mah15. Transmission mode: wireless 2.4G transmission16. Charging time: 3-4 hours17. Function: screen barcode, express barcode, incomplete barcode, one-dimensional barcode, with storage18. Operating environment: 0 to 60 degrees Celsius19. Storage temperature: -40 to 80 degrees Celsius20. Use times: 45000 times21. Waterproof rating: IP5422. Handle material: ABS+TPU23. Features: fast, sensitive, stable, portable, long-distance, long-lasting battery life, intelligent decoding, scannable screen, wireless scanning24. Memory: 512K (accumulatively save 5000-10000 bar code information)25. Code reading mode: CCD red light26. Type of light source: LED (630nm)27. Light source: 265Lux (130nm)28. Weight: 0.36kg29. Dimensions: 165x75x95mmSpecification: Package Weight One Package Weight 0.55kgs / 1.22lb One Package Size 22cm * 15cm * 12cm / 8.66inch * 5.91inch * 4.72inch Qty per Carton 20 Carton Weight 12.00kgs / 26.46lb Carton Size 62cm * 45cm * 32cm / 24.41inch * 17.72inch * 12.6inch Loading Container 20GP: 298 cartons * 20 pcs = 5960 pcs40HQ: 693 cartons * 20 pcs = 13860 pcs

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1. Material: ABS, metal buttons 2. Additional functions: scanning, taking pictures, uploading text excerpts, taking pictures and translation 3. Operation mode: button, scan, touch screen, photograph 4. Bluetooth version: 4.0 5. Screen size: 3 inches 6. Speaker specifications: 1.4W, AAC aluminum mold, high-fidelity speaker 7. Interface: TYPE-C 8. Built-in battery: 1800mAh lithium battery 9. The machine comes with offline OCR technology, which can be accurately recognized without a network, and supports translation in 12 languages 10. Support real-time translation of photos, and you can manually adjust the translation area 11. Dual microphone high-definition noise reduction decoding recording, recording can last for 16 hours, more convenient to use 12. Product size: 14.75 x 4.8 x 1.35 cm 13. Product weight: 95.4 grams Specification: Package Weight One Package Weight 0.21kgs / 0.45lb One Package Size 16cm * 7.5cm * 3cm / 6.3inch * 2.95inch * 1.18inch Qty per Carton 130 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 130 pcs = 23010 pcs40HQ: 412 cartons * 130 pcs = 53560 pcs

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1. AC voltage: 0.001-600V2. DC voltage: 0.1mV-600V3. TA802A DC/AC current: 0.01-600mA4. Capacitance measurement: 1nF-60000UF5. Frequency measurement: TA802A: 40Hz-6MHz, TA802B: 40Hz-9.9MHz6. Resistance measurement: 0.1 ohm-60 megohm7. Display: up to 6000 counts8. Function: logic level (TA802B does not have this function), NCV measurement, zero/fire wire measurement, automatic shutdown, backlight display, flashlight lighting9. Power supply: 2 AA batteries (not included)10. Weight: about 110 grams11. Size: about 19.8x5.1x3.2cmFeatures:1. Pen body design, light and portable2. With torch lighting function3. Large-screen high-definition backlight display, the reading is clearer4. The screen can be rotated 180 degrees, two-way display, multi-angle viewing5. Intelligent measurement, automatic identification, automatic measurement of AC and DC voltage/resistance/on/off buzzer6. Sensitive rotary dial, easy to operate7. Anti-slip waist design, comfortable to touchpacking list:- Host x1- Cloth bag x1- Pen x1- Manual x1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 22cm * 7cm * 4cm / 8.66inch * 2.76inch * 1.57inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 pcs

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Style:SportStrap material: siliconeDial shape: rectangularFunction: LED display time, year, date, 12-hour system, single-button operation, power-saving mode - no button operation within -3 seconds, the screen display turns itself off.Specification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 20cm * 10cm * 10cm / 7.87inch * 3.94inch * 3.94inch Qty per Carton 341 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 341 pcs = 121055 pcs40HQ: 825 cartons * 341 pcs = 281325 pcs

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1. Ultra-compact design. 2. 500g capacity with 0.1g accuracy. 3. Excellent quality. 4. Stainless steel + aluminum alloy material. 5. Blue Back-light LCD display. 6. Auto power off after 3 minutes. 7. Low power prompting. 8. Fits easily in a pocket or handbag for weighting on the go.Specification: General Material Stainless steel, Aluminum Alloy Max Load 500g Accuracy 0.1g Weighing units g, OZ, dwt, ct, gn Power 2 x AAA Batteries(not included) Product size 9.7*7.2*1.6cm Net Weight 120g Package Include Package Contents 1 x Scale 1 x User Manual Package Weight One Package Weight 0.16kgs / 0.35lb One Package Size 10.2cm * 8cm * 2.3cm / 4.02inch * 3.15inch * 0.91inch Qty per Carton 100 Carton Weight 14.80kgs / 32.63lb Carton Size 40cm * 30cm * 18cm / 15.75inch * 11.81inch * 7.09inch Loading Container 20GP: 1234 cartons * 100 pcs = 123400 pcs40HQ: 2865 cartons * 100 pcs = 286500 pcs

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1. Material: plastic, electronic components2. Size: about 14x3.8x3.8 cm3. Weight: about 150 grams4. Function: forward, backward, turn left, turn right, rotate in place, light5. Battery: 3.7V/100MA lithium battery for the hull, 4 AA batteries in the remote control (you need to bring your own)6. Remote control distance: 15 meters, 2.4G wireless remote control7. Charging time: about 25 minutes8. Use time: about 12 minutes9. Packing list: boat x1, remote control x1, manual x110. Features: anti-leakage and anti-leakage, slender bow design, streamlined hull, allowing the hull to reduce water flow resistance during sailing, double propeller device, remote control operation, simple and convenient, durableSpecification: Package Weight One Package Weight 0.28kgs / 0.62lb One Package Size 17.5cm * 9cm * 9.5cm / 6.89inch * 3.54inch * 3.74inch Qty per Carton 98 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 98 pcs = 17346 pcs40HQ: 412 cartons * 98 pcs = 40376 pcs

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1. Material: optical grade light guide panel2. Light source: LED components, 84 lamp beads3. Power supply mode: Type C cable4. Voltage: 5V/2A5. Rated power: 7.4W6. Size: about 43x34.5x0.7 cm7. Weight: about 908g8. Uses: animation copying, game GC, calligraphy, sand painting, design line drafts, etc.9. Packing list: copy table, TYPE-C power cord, pencil, manualFeatures:1. 6 steps/stepless dimming, short press for 6 steps dimming, long press for stepless dimming2. Type-C interface, stable power supply, easy to use3. Lightweight and thin design, easy to carry and use, strong and durable4. The magnetic clip can be rotated 180 degrees, with 3 built-in magnets, strong adsorption, and a pen holder design5. With tick marks to meet the needs of precise painting6. Touch button, simple operation, responsive, durable, one-key multi-purpose, dimming + power buttonSpecification: Package Weight One Package Weight 1.24kgs / 2.73lb One Package Size 45cm * 39cm * 4cm / 17.72inch * 15.35inch * 1.57inch Qty per Carton 24 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 24 pcs = 4248 pcs40HQ: 412 cartons * 24 pcs = 9888 pcs

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1. Chip solution: TPA3116D2 (with AM interference suppression function)2. With or without filter: Yes (the sound is more mellow and clear after filtering)3. Adapted supply voltage: 5~27V4. Adapted speakers: 30W~200W, 4ohms, 8ohms5. Number of channels: left and right dual channels (stereo)6. Bluetooth version: 5.07. Bluetooth transmission distance: 15 meters (unobstructed)8. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection9. Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the greater the ohms of the speaker, the lower the relative sound power, please pay attention!10. Power supply voltage:-12V ------ 8 ohm speaker/12W (left channel) + 12W (right channel), 4 ohm speaker/20W+ 20W-15V ------ 8 ohms/18+ 18W, 4 ohms/more than 30 + 30W-19V ------ 8 ohms/32 + 32W, 4 ohms/more than 45 + 45W-24V ------ 8 ohms/38 + 38W, 4 ohms/more than 55 + 55WSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 52cm * 52cm * 32cm / 20.47inch * 20.47inch * 12.6inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs40HQ: 715 cartons * 100 pcs = 71500 pcs

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1. Brush: copper2. Resistor: bakelite3. Rotation angle: 200 degrees4. Rotational torque: 60-150 g/cm5. Stop strength: 500 g/cm6. Mechanical strength: resistor can withstand 1 kg of pressure without breaking7. Resistance range (Ohms): 100R-1M8. Resistance variation characteristics: B9. Operating voltage: 50V (MAX)10. Rated: 0.1W11. Residual resistance: no more than 5 percent of the nominal resistance, no more than 30 ohms12. Rotational Life: 15 percent resistance change after 100 rotations without load13. Load Life: 5 percent resistance change after 3 hours of rated power14. Adjustable resistors have a wide range of applications, including home appliances and the electronic security industry. Specific products include televisions, induction cookers, rice cookers, and more.Packing List:- 10 x 500R ohm- 10 x 1K ohms- 10 x 2K ohm- 10 x 5K ohms- 10 x 10K ohm- 10 x 20K ohm- 10 x 50K ohm- 10 x 100K ohms- 10 x 200K ohms- 10 x 1M ohmSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 15cm * 8cm * 5cm / 5.91inch * 3.15inch * 1.97inch Qty per Carton 72 Carton Weight 5.50kgs / 12.13lb Carton Size 47cm * 34cm * 32cm / 18.5inch * 13.39inch * 12.6inch Loading Container 20GP: 521 cartons * 72 pcs = 37512 pcs40HQ: 1210 cartons * 72 pcs = 87120 pcs

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1. Dielectric strength: withstand 750 V (50 Hz AC RMS) for 1 minute, without breaking, flying fox phenomenon 2. Rated power: 2W 3. Small size, easy to carrySpecification: General Material Plastic, Metal Package Weight One Package Weight 0.04kgs / 0.08lb One Package Size 6cm * 3cm * 3cm / 2.36inch * 1.18inch * 1.18inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 32cm * 32cm * 30cm / 12.6inch * 12.6inch * 11.81inch Loading Container 20GP: 868 cartons * 500 pcs = 434000 pcs40HQ: 2015 cartons * 500 pcs = 1007500 pcs

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1. Flexible LED Matrix Panel: Bendable and adaptable design easily conforms to curved surfaces for versatile installation.2. Ultra-Thin & Lightweight Construction: Slim profile saves space while maintaining a clean and modern appearance.3. Waterproof Design: Durable waterproof structure suitable for both indoor and outdoor applications.4. Smart APP Control: Connect via smartphone app to edit text, graphics, animations, and advertising messages anytime.5. DIY Custom Display: Create personalized text, images, doodles, GIF animations, and scrolling messages with ease.6. RGB Multi-Color Effects: Supports vibrant color combinations and dynamic lighting modes for eye-catching displays.7. Remote & APP Operation: Convenient dual-control system via remote controller or mobile application.8. Wide Range of Applications: Ideal for vehicle rear windows, storefront advertising, exhibitions, bars, cafés, events, and promotional displays.9. Screen size: 898 x 192mmSpecification: Package Weight One Package Weight 2.00kgs / 4.42lb One Package Size 23cm * 15cm * 15cm / 9.06inch * 5.91inch * 5.91inch Qty per Carton 8 Carton Weight 17.00kgs / 37.48lb Carton Size 48cm * 32cm * 32cm / 18.9inch * 12.6inch * 12.6inch Loading Container 20GP: 542 cartons * 8 pcs = 4336 pcs40HQ: 1259 cartons * 8 pcs = 10072 pcs

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