Search results for "school electronics"

1. Copy board features: ultra-thin and light, high light uniformity, led green energy saving light source without stroboscopic phenomenon belongs to the source of healthy eye care. 2. Use range of copy board: it is the most widely used tool in animation and cartoon at present, and it is a necessary tool.Other majors: interior, architecture, fashion design and drawing, etc. 3. Energy-saving design: the power consumption is only one-tenth of the aluminum alloy copy table. 4. Safety voltage design: the safety voltage of 12V can be used safely.Specification: Package Weight One Package Weight 4.20kgs / 9.26lb One Package Size 70cm * 46cm * 3.5cm / 27.56inch * 18.11inch * 1.38inch Qty per Carton 20 Carton Weight 84.20kgs / 185.63lb Carton Size 72cm * 94cm * 37cm / 28.35inch * 37.01inch * 14.57inch Loading Container 20GP: 106 cartons * 20 pcs = 2120 pcs40HQ: 247 cartons * 20 pcs = 4940 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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1. Smart touch panel, precise touch, sensitive and not stuck 2. Using DLP display technology, 4K HD decoding 3. Support vertical keystone correction +-45 degrees, even if the projector is placed obliquely, it can also ensure that it can get a square picture 4. Supports high-definition input, connects to the computer through the HD-IN interface, and realizes the synchronization of the projection screen and the computer screen 5. Support Bluetooth version 4.1 6. Equipped with infrared remote control, making entertainment and work easier 7. With Amlogic S905X chip, using 64-bit 4-core CPU 8. Support Android 6.0 operating system 9. Support dual frequency 2.4G/5GWiFi, fast transmission speed 10. Slim mini body, carry with you, one-handed control 11. Built-in wear-resistant coated glass lenses and LED bulbs to ensure that the screen is bright and stable, and the light life is up to 20,000 hours 12. Projection size: 30-200 inches 13. Video decoding: support 4Kx2K, 10-bit, HEVC/H.265 14. Audio formats: MP3, AC3, OGG, APE, FLAC, AAC, WAV, WMA 15. Video formats: MP4, AVI, MKV, MOV, RMVB, MPG, FLV, WMV, TS, TP, VOB 16. Resolution: 854x480 (WVGA) 17. Brightness: DLP 50ANSISpecification: Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 20cm * 16cm * 10cm / 7.87inch * 6.3inch * 3.94inch Qty per Carton 20 Carton Weight 18.00kgs / 39.68lb Carton Size 52cm * 34cm * 42cm / 20.47inch * 13.39inch * 16.54inch Loading Container 20GP: 359 cartons * 20 pcs = 7180 pcs40HQ: 833 cartons * 20 pcs = 16660 pcs

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1. Material: ABS environmental protection material 2. Usage: Weighing of kitchen spices, tea, milk powder, medicinal materials, chemical raw materials, hardware materials, etc. 3. Weighing specifications: 500g/0.1g 4. Units of measurement: grams (g), ounces (oz), grains (gn), carats (ct) 5. Power supply mode: button battery (CR2032) 6. Size: 5x7x2 cm 7. Capacity: 30ml 8. Remarks: shipped with battery 9. Automatically shut down after a period of inactivity 10. Unit conversion to meet different needs 11. Suspension design, convenient storage, not taking up space 12. With graduated measuring spoon, fully grasp the weight 13. Detachable spoon head, easy to clean and replaceSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 24.5cm * 8.5cm * 3cm / 9.65inch * 3.35inch * 1.18inch Qty per Carton 356 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 356 pcs = 63012 pcs40HQ: 412 cartons * 356 pcs = 146672 pcs

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1. One machine with dual use, can test electric and magnetic field radiation at the same time 2. Sound and light alarm, when the detection result exceeds the safe value, the instrument will automatically alarm 3. Data lock, one-key lock of radiation value 4. LCD graphic display radiation value trend 5. Radiation assessment, remind you whether the radiation value is safe 6. Stylish design, easy to operate, it is easy to move or perform on-site measurement 7. Can test electric field radiation and magnetic field emission to achieve good test results 8. Used to test and study indoor and outdoor electromagnetic radiation 9. Built-in electromagnetic radiation sensor, after processing by the control microchip, the radiation value can be displayed on the LCD digital display. You can deal with electromagnetic radiation reasonably or take effective preventive measures based on the test results 10. Test bandwidth: 5Hza??3500MHz 11. Sampling time: about 0.4 seconds 12. Working temperature: 0-50 degrees Celsius 13. Operating humidity: relative humidity is less than 80% 14. Working voltage: 9V 15. Power supply: 6F22 9V battery 16. Size: 63.6x31x125.8mm 17. Weight: 146gSpecification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 18cm * 13cm * 6cm / 7.09inch * 5.12inch * 2.36inch Qty per Carton 60 Carton Weight 17.04kgs / 37.57lb Carton Size 57cm * 40cm * 45cm / 22.44inch * 15.75inch * 17.72inch Loading Container 20GP: 259 cartons * 60 pcs = 15540 pcs40HQ: 603 cartons * 60 pcs = 36180 pcs

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1. It can be inserted into U disk to play, even set-top box, DVD, computer, etc.. 2. Native resolution: 800 x 480, resolution: 1920 x 1080max 3. Aspect ratio: 16:9 / 4:3 4. Input voltage: 100-240V 50/60Hz 5. Lens: F=140 6. Projection distance: about 1-4m 7. Image size: about 30-170 inch 8. Operation: manual / remote control 9. Power consumption: 70W max 10.loudspeaker: 4 Ohm 3W 11.Interface: USB x 2 / HDMI / SD Card / audio (3.5mm) Specification: Package Weight One Package Weight 1.73kgs / 3.82lb One Package Size 32cm * 20cm * 12cm / 12.6inch * 7.87inch * 4.72inch Qty per Carton 10 Carton Weight 17.05kgs / 37.59lb Carton Size 58cm * 52cm * 48cm / 22.83inch * 20.47inch * 18.9inch Loading Container 20GP: 184 cartons * 10 pcs = 1840 pcs40HQ: 427 cartons * 10 pcs = 4270 pcs

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1. Equipped with the Xtensa 32-bit LX7 dual-core processor, with a main frequency up to 240MHz, delivering robust performance; supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), meeting diverse wireless connectivity needs 2. Built-in 512KB SRAM, 384KB ROM, stacked 4MB Flash, and 2MB PSRAM, offering abundant resources 3. Adopts stamp hole design for enhanced integration, facilitating independent baseboard design 4. Rich peripheral interfaces including 4 × SPI, 2 × I2C, 3 × UART, 2 × I2S, and 2 × ADC 5. Utilizes LR1121, the third-generation low-power LoRa transceiver from Semtechs LR11xx series 6. Supports Sub-GHz (150MHz to 960MHz), S-band (2.0GHz to 2.1GHz), and 2.4GHz ISM frequency bands 7. Connects to cloud platforms via LoRa or LoRaWAN protocols through gateways to build low-power wide-area networks 8. Supports LoRa, (G)FSK, and LR-FHSS modulation, compatible with SX126X/SX127X frequency bands for seamless product upgrades 9. Integrated AES-128 encryption engine for enhanced data security; onboard TCXO crystal ensures frequency stability under high/low-temperature conditions 10. Suitable for IoT applications including industrial telemetry, smart homes, environmental monitoring, and remote data acquisition 11. Includes C language sample programs and user manuals for streamlined development and rapid deployment 12. Operating frequency bands: LF: 410MHz to 510MHz; HF: 850MHz to 930MHzSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 5cm / 4.72inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 10.70kgs / 23.59lb Carton Size 50cm * 34cm * 32cm / 19.69inch * 13.39inch * 12.6inch Loading Container 20GP: 490 cartons * 96 pcs = 47040 pcs40HQ: 1137 cartons * 96 pcs = 109152 pcs

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1. Voltage: 100-240(V) 2. Max Compatible Resolution: 1920x1080P 3. Display Technology: LCD display 4. Lamp: LED(30,000 hours) 5. Contrast ratio: 2200:1(static) 10,000:1(Dynamic) 6. Aspect Ratio: 16:9/4:3 7. Throw ratio: 1.35:1 8. Projector Distance: 1.2-6.5m 9. Projector Size: 30-250inches 10. Speaker: 8ohm, 5W x2 11. Power: AC90-240V & 50-60HZ 12. Size: 29x24x10cm 13. Net weight: 2.2kg Packing list: 1. User Manual x 1 2. Power cord x 1 3. Remote control x 1Specification: Package Weight One Package Weight 3.66kgs / 8.07lb One Package Size 35cm * 34.5cm * 14cm / 13.78inch * 13.58inch * 5.51inch Qty per Carton 6 Carton Weight 23.00kgs / 50.71lb Carton Size 58cm * 46cm * 50cm / 22.83inch * 18.11inch * 19.69inch Loading Container 20GP: 199 cartons * 6 pcs = 1194 pcs40HQ: 464 cartons * 6 pcs = 2784 pcs

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1. Monitoring voltage: 4-24V2. Monitoring current: 0-6.5A3. Monitoring power: 0-156W4. Load equivalent internal resistance: 0-9999.9 ohms5. D+/D- voltage: 0-3.3V6. Capacitance: 0-9999.99Ah7. Power consumption: 0-9999.99Wh8. Cable internal resistance: 0-999.9 ohms9. Dimensions: 77x14x38.6 cm10. 6.5A high current, multi-port compatible, 6-digit high-precision display, supports multiple fast charging protocols11. Resolution: 0.0000112. Protocol detection: For Apple 2..4A, QC2.0, QC3.0, PD, For Samsung AFC, For HUAWEI SCP, For OPPO VOOC, DASH, WARP, SuperVOOC, MTK-PE13. Adopt CNC metal shell design, light and delicate feel, equipped with 1.77-inch high-definition display screen, the data is clear at a glance14. Real-time monitoring of subtle changes in voltage, current and power during charging15. Equipped with gravity sensing function, 360-degree flip, support open/close16. 10 groups of data intelligent records, built-in battery capacity calculation formula, convenient and fast17. Three major cable detection functions, wire data at a glance18. Equipped with a high-performance MCU and an external 16-bit ADC PD physical chip, the performance score is full19. PC upper computer, Bluetooth APP synchronizationSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 10cm * 6cm * 5cm / 3.94inch * 2.36inch * 1.97inch Qty per Carton 318 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 318 pcs = 56286 pcs40HQ: 412 cartons * 318 pcs = 131016 pcs

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1. Super bright light, which can see through very thick paper. 2. Special acrylic surface, which makes it feel like a glass panel but much stronger than glass. 3. With a compact and elegant design, easy to carry and save space. 4. Eye-protection technology, perfect for sketching, drawing,animation making,calligraphy and tattoo tracing. 5. Simple and convenient to operate. 6. High quality Acrylic materials, durable and reliable.Specification: Package Weight One Package Weight 1.66kgs / 3.66lb One Package Size 56cm * 4cm * 4cm / 22.05inch * 1.57inch * 1.57inch Qty per Carton 20 Carton Weight 17.60kgs / 38.80lb Carton Size 50cm * 41cm * 58cm / 19.69inch * 16.14inch * 22.83inch Loading Container 20GP: 224 cartons * 20 pcs = 4480 pcs40HQ: 520 cartons * 20 pcs = 10400 pcs

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1. Magnification: 1000-2000X 2. Working distance: 1.5-2mm 3. Size: 20x50mm 4. Main applications: PCB circuit board inspection, welding, microchip observation, product appearance inspection, jewelry observation, printing dot observation, mechanical parts observation, melt blown cloth observation, microcirculation observation, mechanical knife sharpening microscope 5. Note: This product is an optional high-magnification 2000 lens for the B011 microscope and needs to be used with HCB0991Specification: Package Weight One Package Weight 0.24kgs / 0.53lb One Package Size 18cm * 10cm * 4cm / 7.09inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 20.30kgs / 44.75lb Carton Size 36cm * 40cm * 40cm / 14.17inch * 15.75inch * 15.75inch Loading Container 20GP: 462 cartons * 80 pcs = 36960 pcs40HQ: 1074 cartons * 80 pcs = 85920 pcs

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1. Super bright light, which can see through very thick paper. 2. Adjustable brightness, with touch button you can adjust the brightness, very convenient to use. 3. Special acrylic surface, which makes it feel like a glass panel but much stronger than glass. 4. With a compact and elegant design, easy to carry and save space. 5. Eye-protection technology, perfect for sketching, drawing,animation making,calligraphy and tattoo tracing. 6. Simple and convenient to operate. 7. High quality Acrylic materials, durable and reliable.Specification: Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 40cm * 29.5cm * 3.5cm / 15.75inch * 11.61inch * 1.38inch Qty per Carton 20 Carton Weight 17.60kgs / 38.80lb Carton Size 60cm * 40cm * 35cm / 23.62inch * 15.75inch * 13.78inch Loading Container 20GP: 317 cartons * 20 pcs = 6340 pcs40HQ: 736 cartons * 20 pcs = 14720 pcs

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