Search results for "school electronics"

1. Wireless transmission: 2.4GHz adaptive frequency hopping2. Working distance: 40 meters (turning), 200 meters (sight distance)3. Microphone directivity: omnidirectional4. Microphone frequency response range: 20Hz-20KHz5. Input sound pressure level: 11dB SPL(MAX)6. Input dynamic range: 86dB7. Battery capacity: TX transmitter: 140mAh lithium battery (0.518Wh), RX receiver: 200mAh lithium battery (0.76Wh), charging box: 1400mAh lithium battery (5.18Wh)8. Use time: TX transmitter: 8 hours, RX receiver: 8 hours, charging box: can charge 2 TX and RX twice at the same time9. Dimensions: TX transmitter: 48 x 21.5 x 10mm, RX receiver: 48.3 x 27.6 x 11mm, charging case: 83 x 60 x 30mm10. Weight: TX transmitter: 11.8g, RX receiver: 17.5g, charging case: 80gPacking list:- With charging box: charging box x 1, TX transmitter x 1, RX receiver x 1, windshield x 1, 3.5mmTRS to 3.5mmTRS audio cable (for cameras) x 1, 3.5mmTRS to USB Type-C Cable (for Android phones) x 1, 3.5mmTRS to 3.5mmTRS audio cable (for phones) x 1, manual x 1, warranty card x 1- Without charging box: TX transmitter x 1, RX receiver x 1, windshield x 1, 3.5mmTRS to 3.5mmTRS audio cable (for cameras) x 1, 3.5mmTRS to USB Type-C cable (for Android Mobile phone) x 1, 3.5mmTRS to 3.5mmTRS audio cable (for mobile phones) x 1, manual x 1, warranty card x 1Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 16cm * 6cm * 10cm / 6.3inch * 2.36inch * 3.94inch 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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Features1. This is a 4G/3G/2G Raspberry Pi communication HAT with GNSS positioning and high speed LTE CAT4 global band connection. By connecting it to PC, Raspberry Pi or Jetson Nano host boards, it is easy to enable 4G high speed networking, cloud platform communication, phone call/SMS, and global GNSS positioning functions. 2. Support dial-up, phone call, SMS, TCP, UDP, MQTT, HTTP(S), FTP(S), and so on 3. GNSS positioning: GPS, Beidou, Glonass, Galileo, QZSS, LBS base station 4. USB 3.1 port (USB 2.0 compatible) for connecting to PC, Raspberry Pi, or Jetson Nano host board to enable high speed 4G communication 5. Onboard UART, PWR, and RST control pin, built-in voltage level translator, enabled via DIP switch, for use with hosts like Raspberry Pi or Arduino 7. Onboard USB-C connector, enabled via switch, for connecting standalone power supply for the module, allows more loads, stable amd flexible power supply 8. Onboard power supply on/off switch, reset button and LED indicator, easy to turn on/off the module or monitor the operating status 9. Reserved 4x SMA to IPEX antenna interfaces, with pre-soldered 2x connectors for easily using antennas, allows changing the SMA antenna position 10. Onboard audio jack and audio decoder, allows audio operation like making phone call 11. High efficiency power supply circuit, up to 3A output currentSpecificationsFrequency band: 1. LTE Cat-4: LTE-FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66 2. LTE-TDD: B34, B38, B39, B40, B41 3. 3G: UMTS/HSDPA/HSPA+: B1, B2, B4, B5, B6, B8, B19 4. 2G: GSM/GPRS/EDGE: 850, 900, 1800, 1900 MHz GNSS: 1. Satellite systems: GPS, Beidou, GLONASS, GALILEO, QZSS 2. Receiver type: - 16-channel - C/A Code 3. Sensitivity: - -159 dBm (GPS) / -158 dBm (GLONASS) / TBD (BeiDou) - Cold starts: -148 dBm 4. Time-To-First-Fix (open air): - Cold starts: Less than 35s - Hot starts: Less than 1s SMS and Audio 1. SMS: - Supported types: MT, MO, CB, Text, PDU - Storage: USIM card and ME (default) 2. Audio feature: - Support echo cancellation - Support noise reductionPackage List1. M.2 TO 4G/5G HAT x 1 2. SIM7600G-H-M.2 x 1 3. Antenna 2pcs x 1 4. IPEX adapter cable 2pcs x 1 5. 2*20PIN pin header x 1 6. Passive GPS antenna x 1 7. Dual plug USB3.0 cable x 1 8. USB3.0 adapter x 1 9. USB2.0 adapter x 1 10. SMA protective cap 2pcs x 1 11. Screws pack x 1Specification: Package Weight One Package Weight 0.24kgs / 0.52lb One Package Size 20cm * 16cm * 4cm / 7.87inch * 6.3inch * 1.57inch Qty per Carton 40 Carton Weight 9.80kgs / 21.61lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 40 pcs = 22640 pcs40HQ: 1314 cartons * 40 pcs = 52560 pcs

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1. Projection Technology: DLP 2. Display chip: 0.3 720P DMD+RGBLED 3. Projector Features: Interactive 4. Light brightness: 220 lumens 5. Light type: LED light 6. Brightness uniform value: 90% 7. Contrast ratio: 4000:1 8. Standard resolution: WXGA 1280*720 9. Projection ratio: 1.2:1 (38 inches @1M) 10. Projection size range: 40-300 inches 11. Projection distance: 1-4 meters 12. Screen width ratio: 4:3/16:9/16:10 13. Keystone: Auto, Vertical: +/- 40 degrees 14. Focus mode: manual focus 15. Projection method: front projection 16. CPU: MSD6A628 17. Main frequency: MSD6A628 main frequency 1.4G, Android 6.0 system, 4 core A7 processor, Mali450MP2 GPU, support DTMB/ DVB-T/ DVB-C, support dual stream 3D decoding. 18. Cache: 2G DDR3, memory 8GB 19. Video support: dat, mpg, mpeg ts, trp, tp vob MPEG2, MPEG4, Divx 3.11, Divx 4.Divx 5, Divx 6, Xvid 1.00, Xvid 1.01, Xvid 1.02, Xvid 1.03, Xvid 1.10-beta1/2 , H.264, RMVB, RM 20. Audio support: MPEG1 Layer3 AC3 EAC3 AAC, HEAAC WMA LPCM IMA-ADPCM/MS-ADPCM 21. Image support: jpg, png, bmp etc. 22. Flash support: support flash 11.1 23. Extended storage: support TF card and hard disk Support USB3.0 hard disk and USB3.0 U disk.Specification: Package Weight One Package Weight 1.83kgs / 4.02lb One Package Size 22cm * 22cm * 10cm / 8.66inch * 8.66inch * 3.94inch Qty per Carton 10 Carton Weight 19.55kgs / 43.10lb Carton Size 44cm * 38cm * 32cm / 17.32inch * 14.96inch * 12.6inch Loading Container 20GP: 498 cartons * 10 pcs = 4980 pcs40HQ: 1157 cartons * 10 pcs = 11570 pcs

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1. Interface: USB2.0 host2. Video input: digital HDMI, analog RAC AV video3. Audio input: digital HDMI, analog RCA audio L/R, 3.5mm line input4. Video output: digital HDMI5. Audio output: digital HDMI, analog/RCA audio RCA L/R input pass-through, analog 3.5mm stereo6. Storage media: USB flash drive, portable hard drive (exFAT format is not supported)7. Recording format: video AVI/MPEG4, audio ACC stereo8. Resolution: 1080P/30fps9. Record file: maximum 2GB10. Power supply: 5V/2A11. Plug and play, no driver required, no need to go through a computer, one-click recording12. Support SD/HD video signals, the collection resolution can reach 1080P13. Equipped with HDMI and AV3.5 cables, 3.5mm audio interface14. Equipped with professional video editing software, which can edit and upload videos15. With a microphone, you can record narration, record the game while playing, and explain the game at the same timeSpecification: Package Weight One Package Weight 0.33kgs / 0.73lb One Package Size 12cm * 8cm * 3cm / 4.72inch * 3.15inch * 1.18inch Qty per Carton 120 Carton Weight 33.40kgs / 73.63lb Carton Size 50cm * 32cm * 26cm / 19.69inch * 12.6inch * 10.24inch Loading Container 20GP: 641 cartons * 120 pcs = 76920 pcs40HQ: 1488 cartons * 120 pcs = 178560 pcs

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1. Material: environmentally friendly ABS2. Suitable age: over 3 years old3. Ability training: hands-on brain, grasping, hand-eye coordination4. Battery: AA battery x 3 (delivery without battery)5. Dimensions: 6.5 x 4 x 19.5 cm6. Weight: Yellow: 176g, Green: 176g, Blue: 189g7. Packaging: BlisterSpecification: Package Weight One Package Weight 0.23kgs / 0.52lb One Package Size 20cm * 30cm * 6cm / 7.87inch * 11.81inch * 2.36inch Qty per Carton 128 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 128 pcs = 22656 pcs40HQ: 412 cartons * 128 pcs = 52736 pcs

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Product manual：1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use.2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument control, equipment, etc. as well as mobile monitoring, proximity switch monitoring and occasions where it is not convenient to use mechanical switches to improve efficiency.3. The switch adopts a through-beam photoelectric trigger mode. The infrared emitting tube in the device emits infrared light. If there is an object in the middle of the groove, the receiving sensor will trigger the corresponding key value if the infrared light is not detected.4. Provides button definition setting software based on Windows system. After setting, you can use it in the following systems: Dos, Win 2000, Win XP, Win vista, Win 7, Win 8, Win10, Linux, Mac, Android.5. Scope of application: office, game, industry, disabled personFunction Description：1. Keyboard function: It can be set to any key value or key combination, for example, to key value A or CTRL+A.2. Mouse function: It can be set to the left, middle, right, forward and backward keys of the mouse, the movement of the X and Y axes, and the up and down scrolling functions of the wheel.3. String printing: You can set up to 38 characters, for example, set "hello!".4. Multimedia function: It can be set as previous song, next song, volume up, volume down and other multimedia control functions.5. Gamepad function: It can be set as up, down, left and right four direction keys and 6 function keys.When you want to change the function of the button, you can use the FootSwitch software to modify the button function:1. Insert the device into the computer USB port2. Run the software FootSwitch3. Click to select the corresponding setting window4. Click or enter the function you want to set5. Click Save to confirm.6. The setting software only supports Windows system. The FootSwitch software is often upgraded. Please follow the latest version.Product specifications:1. Product model: IRSW20B2. Interface type: USB3. Power supply: 5V30mA4. USB cable length: 2 meters (the cable length can be customized)5. Product weight: about 65 gramsOutline dimension drawing and installation hole position drawing as show picturesSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 28cm / 11.81inch * 11.81inch * 11.02inch Loading Container 20GP: 1058 cartons * 100 pcs = 105800 pcs40HQ: 2456 cartons * 100 pcs = 245600 pcs

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Features1. This universal adaptor is a compact one piece unit with 3 international adaptors, This item with fit the plugs in Europe / UK / USA / China / Japan / Spain and almost every country in the world 2. Voltage: AC 100V-250V 6A 3. EU / UK / US plug travel universal adaptor 4. Built-in safety shutters 5. USB interface for parallel chargingSpecification: General Compatible with Samsung: Galaxy E5 Model Number 933L Types Adapter Connector USB 2.0 Material Plastic, Metal Input Voltage 100-240V Input Current 6A USB Output Voltage DC 5V USB Output Current 500mA Plug Available EU Plug, US Plug Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 15.5cm * 9.4cm * 4.6cm / 6.1inch * 3.7inch * 1.81inch Qty per Carton 80 Carton Weight 12.00kgs / 26.46lb Carton Size 48cm * 40cm * 33cm / 18.9inch * 15.75inch * 12.99inch Loading Container 20GP: 420 cartons * 80 pcs = 33600 pcs40HQ: 977 cartons * 80 pcs = 78160 pcs

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1. With 4,200 white brightness (LED lumens), inherent FHD / 1920x1080 resolution, and intuitive and user-friendly design2. The unique 5.8-inch (1920x1080p) ultra-high temperature and light transmittance BOE LCD panel blue light enhancement technology can provide a wider color range and realize realistic image projection. True 1080P FHD pixel resolution, unique industrial LCD panel, high temperature resistance and high light transmittance3. Using high-power, high-efficiency and energy-saving white LED light source technology, the bulb life can be extended to 50,000 hours4. With HDMI, dual USB ports with direct multimedia playback function, standard configuration of professional digital audio interface (SPDIF output interface) and audio output5. With 5 coated glasses and a fixed lens design with 1.38:1 throw ratio, it can provide large projection images for smaller rooms6. 10W speakers that provide incredibly clear and audible sound7. With advanced audio-visual functions, flexible connection options and affordable prices, it is very suitable for use in video entertainment or home theater, entry-level education and small business environment of PPT display8. OSD language (28 languages): Arabic/Bulgarian/Croatian/Czech/Danish/Dutch/English/Finnish/French/German/Greek/Hindi/Hungarian/Italian/ Indonesian/Japanese/Korean/Norwegian/Polish/Portuguese/Romanian/Russian/Simplified Chinese/Spanish/Swedish/Turkish/Thailand/Traditional Chinese9. Interface (input/output): HDMI / HDCP x1, USB x2, SPDIF x1, audio output x1, IR receiver x2 (front and back)10. Size: 295x245x90mmSpecification: Package Weight One Package Weight 3.65kgs / 8.06lb One Package Size 35cm * 35cm * 14cm / 13.78inch * 13.78inch * 5.51inch Qty per Carton 4 Carton Weight 16.10kgs / 35.49lb Carton Size 35cm * 35cm * 56cm / 13.78inch * 13.78inch * 22.05inch Loading Container 20GP: 388 cartons * 4 pcs = 1552 pcs40HQ: 902 cartons * 4 pcs = 3608 pcs

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1. Espressif official ESP32-WROVER module 2. New ESP32 version: REV1 3. Wireless Internet 4. Bluetooth 5. 4MB flash memory 6. 8MB PSRAM 7. Lithium battery interface, 500mA maximum charging current 8. Support TF memory card 9. With 3D wiresSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 10cm * 6cm * 1cm / 3.94inch * 2.36inch * 0.39inch Qty per Carton 400 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 26cm * 26cm / 16.54inch * 10.24inch * 10.24inch Loading Container 20GP: 939 cartons * 400 pcs = 375600 pcs40HQ: 2180 cartons * 400 pcs = 872000 pcs

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1. Made of aluminum material, not easy to deform and damage. 2. With this clipboard underlaid, you will write on thin paper more conveniently. 3. Applicable to the size of the document. straight edge, can be used to run the ruler line. 4. Great for teachers, students, office workers, anyone who needs to take files and memos along. 5. Writing Clipboard only,other accessories demo in the picture is not included. 6. Size: About 31.5x22.5cmSpecification: Package Weight One Package Weight 0.27kgs / 0.59lb One Package Size 35cm * 25cm * 5cm / 13.78inch * 9.84inch * 1.97inch Qty per Carton 60 Carton Weight 15.00kgs / 33.07lb Carton Size 30cm * 50cm * 50cm / 11.81inch * 19.69inch * 19.69inch Loading Container 20GP: 355 cartons * 60 pcs = 21300 pcs40HQ: 825 cartons * 60 pcs = 49500 pcs

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1. It can be used for printing different items like small components model, decoration etc. 2. Metal plate material, stable and durable. 3. High print quality, easy to install and operate. 4. Elegant and upgraded in design, safety in use. 5. Special frame design for you to see the printing process clearly. 6. It can make true-to-life and high-resolution models and objects. 7. The desktop 3D Printer is the best choice for small and medium enterprises, or individuals to make professional quality models. 8. The 3D Printer is suitable for education, health care, industrial, art, design, construction, personal preferences and other industries. Specification: Package Weight One Package Weight 8.70kgs / 19.18lb One Package Size 55cm * 46.5cm * 17.5cm / 21.65inch * 18.31inch * 6.89inch Qty per Carton 2 Carton Weight 18.50kgs / 40.79lb Carton Size 60cm * 50cm * 40cm / 23.62inch * 19.69inch * 15.75inch Loading Container 20GP: 222 cartons * 2 pcs = 444 pcs40HQ: 515 cartons * 2 pcs = 1030 pcs

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1. DC/AC voltage range (resolution): 400.0mV (0.1mV), 4.000V (0.001V), 40.00V (0.01V), 400. 0V (0.1V), 600V (1V)2. Resistance range (resolution): 400.0 ohm (0.1 ohm), 4.000 kOhm (0.001 kOhm), 40.00 kOhm (0.01 kOhm), 400.0 kOhm (0.1 kOhm), 4.000 megohm (0.001 megohm), 40.00 megohm (0.01 megohm)3. Capacitance range (resolution): 9.999nF (0.001nF), 99.99nF (0.01nF), 999.9nF (0.1nF), 9.999uF (0.001uF), 99.99uF (0.01uF), 999.9uF (0.1uF), 9.999mF (0.001mF)4. Frequency range (resolution): 99.99Hz (0.01Hz), 999.9Hz (0.1Hz), 9.999kHz (0.001kHz), 99.99kHz (0.01kHz), 999.9kHz (0.1kHz), 9.999MHz (0.001MHz)5. Display (LCD): 4000 words6. Range: automatic/manual7. Sampling rate: 3 times/second8. Function: diode, on/off, true RMS, data retention, low battery indication, automatic shutdown9. Material: ABS10. Power supply: 1.5V AAA battery (not included)11. Working environment:- Temperature: 0-40 degrees Celsius- Humidity: less than 75%12. Storage environment:- Temperature: -20 - 60 degrees Celsius- Humidity: less than 80%13. Size: about 12.5 x 8 x 1.95cm14. Weight: about 107gFeatures:1. 4000 count high-precision display2. Pocket-sized and portable3. Automatic range4. Support data retention5. Frequency/duty cycle measurement6. Diode/buzzer switch measurement7. Computer self-calibration designSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 9cm * 3cm / 5.91inch * 3.54inch * 1.18inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 46cm * 30cm * 30cm / 18.11inch * 11.81inch * 11.81inch Loading Container 20GP: 644 cartons * 100 pcs = 64400 pcs40HQ: 1495 cartons * 100 pcs = 149500 pcs

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