Resultados de la búsqueda de "school electronics"

1. Brand new and high quality. 2. Small and lightweight, easy to carry. 3. Display devices use high bright LED digital tube, stunning display effect. 4. With reverse polarity protection, reverse not burned. 5. The voltmeter only two wires, wiring simple and reliable performance. 6. Suitable for measuring DC voltage, measure range: 2.5V ~ 30V. 7. When measuring voltage below 10V, two digits are displayed after the decimal point; when measuring voltage above 10V, one digit is displayed after the decimal point.Specification: General Material Electronic Component Current <30mA Measure Range DC 2.5-30V Input impedance >50Kohm Operating Temperature -10 ~ 65 Degree Celsius Cable Length 20cm Operating Humidity 10 ~ 80% Reading Display 0.36 inch Cutting Size 32x21mm Size 35x23x20mm Weight 10g Package Weight One Package Weight 0.11kgs / 0.25lb One Package Size 15cm * 8cm * 6cm / 5.91inch * 3.15inch * 2.36inch Qty per Carton 120 Carton Weight 13.50kgs / 29.76lb Carton Size 48cm * 32cm * 32cm / 18.9inch * 12.6inch * 12.6inch Loading Container 20GP: 542 cartons * 120 pcs = 65040 pcs40HQ: 1259 cartons * 120 pcs = 151080 pcs

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1. 2.4 inch TFT color screen, simple and stylish interface, easy to set up 2. Adopt optical fingerprint sensor without membrane, support wet and dry hands, high recognition rate 3. 100,000 massive records 4. 1000 fingerprint capacity 5. Attendance speed: <=0.8 seconds 6. Method: fingerprint, password 7. Size: 16.7x3.1x11.7cm 8. Language: support Simplified Chinese, Traditional Chinese, English, Portuguese, SpanishSpecification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 27cm * 16cm * 6cm / 10.63inch * 6.3inch * 2.36inch Qty per Carton 20 Carton Weight 10.50kgs / 23.15lb Carton Size 55cm * 34cm * 32cm / 21.65inch * 13.39inch * 12.6inch Loading Container 20GP: 445 cartons * 20 pcs = 8900 pcs40HQ: 1034 cartons * 20 pcs = 20680 pcs

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1. Support bluetooth connection of mobile phone. 2. It is easy to carry, one of the must-have items for taking photos when traveling. 3. It can print pictures, text, labels of various specifications, etc.Specification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 12cm * 10cm * 6cm / 4.72inch * 3.94inch * 2.36inch Qty per Carton 60 Carton Weight 15.12kgs / 33.33lb Carton Size 40cm * 34cm * 32cm / 15.75inch * 13.39inch * 12.6inch Loading Container 20GP: 612 cartons * 60 pcs = 36720 pcs40HQ: 1422 cartons * 60 pcs = 85320 pcs

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1. This product is a 64 × 32 resolution RGB full-color LED dot matrix module. It integrates 2048 LEDs, features dual HUB75 interfaces, and supports cascading expansion and quick integration. The GOB version utilizes enhanced packaging technology to improve protection performance and usage reliability.2. Utilizes 2048 RGB LEDs for full-color display with adjustable brightness.3. Resolution is 64 × 32 with a pixel pitch of 3mm, capable of displaying text, color images, or animations.4. Dimensions are 192 × 96 (mm), offering a moderate size ideal for DIY desktop or wall-mounted display applications.5. Onboard two HUB75 interfaces: one for input (to connect a controller) and one for output (to cascade multiple screens).6. GOB technology achieves resistance to impact, water, moisture, and dust.7. This is a bare screen requiring a main control board (such as Raspberry Pi Pico, ESP32, or Arduino) for display. Parameters:1. Product Dimensions: 192 × 96 (mm)2. Resolution: 64 × 32 (2048 DOTS)3. Pixel Pitch: 3mm 4. Pixel Composition: 1R1G1B5. Viewing Angle: Greater than or equal to 160 degrees6. Control Method: Synchronous Control7. Drive Method: 1/16 Scan8. Interface Type: HUB759. Supply Voltage: 5V / 2.5A (VH4 socket input)10. Power Consumption: Less than or equal to 12WSpecification: Package Weight One Package Weight 0.48kgs / 1.07lb One Package Size 24cm * 14cm * 6cm / 9.45inch * 5.51inch * 2.36inch Qty per Carton 24 Carton Weight 12.60kgs / 27.78lb Carton Size 50cm * 30cm * 38cm / 19.69inch * 11.81inch * 14.96inch Loading Container 20GP: 467 cartons * 24 pcs = 11208 pcs40HQ: 1086 cartons * 24 pcs = 26064 pcs

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1. Amplio rango de frecuencia detectable 2. Puede detectar la radiación electromagnética en todas partes. 4. Fácil operación, puede detectar la potencia de la radiación electromagnética alrededor de dispositivos electrónicos domésticos, cables eléctricos, equipos industriales, etc. 5. Para detectar la radiación electromagnética ambiental: interiores, oficinas, salas de computadoras, salas de control industrial, cables eléctricos, cables de alto voltaje, monitores, etc., que son el origen de la radiación. 6. Para detectar dispositivos electrónicos domésticos: teléfonos móviles, ordenadores, televisores, fotocopiadoras, faxes, aires acondicionados, frigoríficos, etc. 7. Rango de frecuencia: 50Hz-2000MHz 8. Tiempo de reacción: 0,4 s 9. Voltaje: 9 V 10. Batería: 1x6F22/9V (no incluida) 11. Tamaño: 133x70x30mm Especificación: Peso del paquete Peso de un paquete 0,25 kg/0,54 lb Un tamaño de paquete 16,5 cm x 11,3 cm x 4,5 cm (6,5 pulgadas x 4,45 pulgadas x 1,77 pulgadas) Cantidad por caja 40 Peso de la caja 8,60 kg/18,96 lb Tamaño de la caja 47 cm x 35 cm x 25 cm (18,5 pulgadas x 13,78 pulgadas x 9,84 pulgadas) Contenedor de carga 20GP: 648 cajas * 40 uds. = 25920 uds. 40HQ: 1505 cajas * 40 piezas = 60200 piezas

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1. Función del producto: fotografía, vídeo, juegos, juguetes. 2. Resolución de vídeo: 1080*720 3. Resolución de la foto: 1080*720 4. Capacidad de la batería: 400 mAh 5. Pantalla LCD de 2,0 pulgadas (720 x 320) Píxeles: 1300 W 6. Tiempo de carga: 2-3 horas. 7. Horas de trabajo: 3-6 horas 8. Compatibilidad máxima de tarjetas de memoria: 32 GB 9. El producto no contiene una tarjeta de memoria, compre la tarjeta de memoria por separado. 10. Corriente y voltaje de carga: 5 V/1 A 11. Función: modo de fotografía, modo de vídeo, modo de fotografía, filtro blanco y negro, filtro nostálgico, filtro triste 12. Admite varios idiomas: chino, inglés, chino, japonés, ruso, español, francés y otros más de 20 idiomas. 13. Accesorios: cordón + cable de carga + caja de color + manual Especificación: Peso del paquete Peso de un paquete 0,15 kg/0,34 lb Un tamaño de paquete 15 cm x 9 cm x 6 cm (5,91 pulgadas x 3,54 pulgadas x 2,36 pulgadas) Cantidad por caja 90 Peso de la caja 14,50 kg/31,97 lb Tamaño de la caja 47 cm x 47 cm x 38 cm (18,5 pulgadas x 18,5 pulgadas x 14,96 pulgadas) Contenedor de carga 20GP: 317 cajas * 90 uds. = 28530 uds. 40HQ: 737 cajas * 90 piezas = 66330 piezas

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Specifications1. CM4 Socket: Available on all variants of Compute Module 4 2. Network: Gigabit Ethernet RJ45 connector, 100M Ethernet RJ45 connector 3. USB: USB 2.0 Type A x 2 4. Connector: Isolated RS485 x 4, power screw terminal x 1 5. Camera: MIPI CSI-2 port x 2 (15pin 1.0mm FPC connector) 6. Video: HD-MI interface x 1, support 4K 30fps output 7. RTC: Real Time Clock with Battery Socket and Ability to Wake Compute Module 4 8. Storage: MicroSD card slot for Compute Module 4 Lite (no eMMC) variant 9. Fan head: allow speed adjustment, 5V 10. Indicator: Power indicator x 1, CM4 status indicator x 1, User LED x 2, RS485 communication indicator x 8 11. Power input: 7-36V 12. Dimensions: 123 x 98 x 32mmPackage List1. CM4-ETH-RS485-BASE-B x 1 2. Metal case (top and bottom) x 1 3. Fan x 1 4. 12V 2A Power Supply x 1 5. Screwdriver x 1 6. Antenna connector rubber plug x 1 7. Screws pack x 1Specification: Package Weight One Package Weight 0.48kgs / 1.05lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 19.50kgs / 42.99lb Carton Size 50cm * 32cm * 27cm / 19.69inch * 12.6inch * 10.63inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

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1. Material: plastic, electronic components2. Applicable scenarios: broadcasting, interview recording, speech, online teaching3. Frequency response: 50Hz-20KHz4. Dynamic range: 117dB5. Signal to noise ratio: 75dB6. Audio cable length: 8 meters / 26.2 feet7. Output connector: 3.5mm class 4 metal plug8. Battery: LR44 button battery x 1 (delivery with battery)9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports10. Contains cotton windscreen to reduce background noise11. Upgrade the noise processing circuit to provide complete and clear sound when recording12. Support 360-degree omnidirectional pickupSpecification: Package Weight One Package Weight 0.15kgs / 0.32lb One Package Size 14cm * 8cm * 2.5cm / 5.51inch * 3.15inch * 0.98inch Qty per Carton 98 Carton Weight 14.01kgs / 30.90lb Carton Size 30cm * 50cm * 46.7cm / 11.81inch * 19.69inch * 18.39inch Loading Container 20GP: 380 cartons * 98 pcs = 37240 pcs40HQ: 883 cartons * 98 pcs = 86534 pcs

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1. The outer shell is made of advanced fireproof and explosion-proof materials, and the interior has leakage protection measures, which is safe and reliable2. In addition to the power saving function, this innovative energy saver also has overheating protection, circuit loss reduction, anti-theft electricity, voltage stabilization, lightning protection, and electrical appliance protection3. By actively monitoring and managing power usage, this energy-saving device helps save energy and reduce carbon footprint, making it an environmentally friendly choice for users4. Extend the service life of electrical appliances. We can see obvious energy-saving effects by using energy savers on air conditioners, washing machines, refrigerators, water pumps, induction cookers, electric kettles and other equipment5. Working voltage: 90-250V6. Frequency: 50-60HZ7. Effective load: 28000W8. Scope of use: both home and shopping malls9. Product size: 58 x 31 x 96mm10. Weight: 100g/pieceSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 12cm * 8cm * 8cm / 4.72inch * 3.15inch * 3.15inch Qty per Carton 100 Carton Weight 14.00kgs / 30.86lb Carton Size 44cm * 36cm * 35cm / 17.32inch * 14.17inch * 13.78inch Loading Container 20GP: 481 cartons * 100 pcs = 48100 pcs40HQ: 1116 cartons * 100 pcs = 111600 pcs

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1. Automatically identify components, automatically select based on component characteristics, making the measurement process more convenient and efficient2. Multiple frequency tests, effective value test levels. Supports five test frequencies: 100Hz, 120KHz, 1kHz, 10kHz, and 100KHz. It is suitable for the measurement requirements of different application scenarios. With effective value test levels of 0.1V, 0.3V, and 0.6Vrms, the measurement results are more accurate and reliable3. Four-segment digital display, with high precision, capable of simultaneously showing main and auxiliary parameters4. Internal bias function, eliminating material nonlinearity, restoring true capacity, enabling precise measurement and control of nonlinear components, weak signals, or complex environments5. One-click locking and recording, making measurement more efficient. Press lightly to lock the current reading, press for a long time to activate the recording mode. The test results are classified and statistically analyzed in real time. The measurement is accurate, clear to view, and the detection efficiency is doubled. It enables you to easily control each measurement6. Five test scenarios, supporting precise measurement of capacitors, resistors, inductors impedance, electrolytic capacitors, etc7. Compact handheld design, allowing for precise measurement anytime and anywhere8. Open circuit/closed circuit correction function, used to eliminate systematic errors introduced by test fixtures and cables, which directly affect the accuracy of the measurement resultsParameters1. Test frequency: 100Hz, 120Hz, 1KHz, 10KHz, 100KHz2. Basic accuracy: 0.3%3. Display screen: 2.8 inch TFT liquid crystal display4. Display digits: main parameter: 4 1/2 digits, secondary parameter: 4 1/2 digits5. Test level: 0.1V, 0.3V, 0.6V6. Calibration function: open circuit calibration, short circuit calibration7. Internal bias: 0.0V, 0.5V8. Test port configuration: three-terminal, five-terminal9. Output impedance: 100Ω10. Communication interface: USB-TypeC (virtual serial port)11. Comparison function: used to calculate the relative error between the measured value of the component and the nominal value, displayed in percentage, and provide screening results. Nominal value and tolerance can be set, and the tolerance range can be defined from 0.1% to 99.9%12. Recording function: check whether the data of the tested component conforms to the set nominal value and tolerance, record the number of successful and failed measurement data13. Battery capacity: 3000mAh14. Supported languages: Chinese, EnglishSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 24cm * 16cm * 8cm / 9.45inch * 6.3inch * 3.15inch Qty per Carton 16 Carton Weight 13.00kgs / 28.66lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 16 pcs = 7376 pcs40HQ: 1071 cartons * 16 pcs = 17136 pcs

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1. Ligero, 133 gramos, fácil de llevar, no cansa la lectura. 2. Utilizando un altavoz de rutilón de 13 núcleos, con una calidad de sonido excelente, el volumen alto no interrumpe el sonido y no es áspero. 3. Utilizando un sistema de eficacia digital, baja distorsión, alta claridad. 4. Micrófono con reducción de ruido / altavoz con reducción de ruido, sin silbidos, por lo que el sonido es más dinámico. 5. Admite inserción de tarjeta TF/disco U, se puede utilizar mientras se carga Parámetros: 1. Material: ABS 2. Potencia nominal: 5 W 3. Voltaje de entrada: CC 3,7 V CC 5,0 V 4. Capacidad de la batería de iones de litio: 1500 mA 5. Rango de respuesta de frecuencia: 40 Hz-20 KHz 6. Distorsión: +/- 1% (3,7 V, 1 Khz, 1 W) 7. Relación señal/ruido: 83dB 8. Formato de reproducción: MP3 9. Impedancia: 2Ω 10. Temperatura de funcionamiento: -5 ~ 40 grados Celsius 11. Tamaño: 85 x 85 x 34 mm El paquete incluye: 1 x mini altavoz de audio 1 x micrófono con auriculares con cable 1 x Cinturón 1 x cable de datos USB 1 x manual de instrucciones Especificación: Peso del paquete Peso de un paquete 0,30 kg/0,65 lb Un tamaño de paquete 18 cm x 14 cm x 8 cm (7,09 pulgadas x 5,51 pulgadas x 3,15 pulgadas) Cantidad por caja 98 Peso de la caja 30,00 kg/66,14 lb Tamaño de la caja 50 cm * 50 cm * 60 cm / 19,69 pulgadas * 19,69 pulgadas * 23,62 pulgadas Contenedor de carga 20GP: 177 cajas * 98 uds. = 17346 uds. 40HQ: 412 cajas * 98 piezas = 40376 piezas

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1. Material: PVC + electronic original2. Voltage: ≤36 v3. Style: modern and simple4. Dimensions: 9.5 x 12 x 43 cm5. Weight: with fan: 346 g, without fan: 325 g6. Switch mode: touch type7. Power supply method: built-in lithium battery8. Charging time: 3-4 hours9. Duration: 4-12 hours10. Battery capacity: 1200 mahSpecification: Package Weight One Package Weight 0.38kgs / 0.85lb One Package Size 25cm * 20cm * 12cm / 9.84inch * 7.87inch * 4.72inch Qty per Carton 78 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 78 pcs = 13806 pcs40HQ: 412 cartons * 78 pcs = 32136 pcs

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