Search results for "school electronics"

1. Application scenarios: lectures, teaching, meetings2. Wireless frequency: 2.4GHz3.Remote control distance: 100m4. Laser: Class 3R laser5.Laser power: 5mW6.Laser distance: 200m7. Laser wavelength: 650nm (red light)8. Operating system: Windows, Mac OS, Linux, Android9. Battery: AAA battery x 1 (delivered without battery)10. Working voltage: transmitter: 1.5V, receiver: 4.5-5.5V11. Transmitter sleep current: 10uA12.USB version (receiver): USB1.1/2.0/3.013. Dimensions: Transmitter: 105 x 40 x 30mm, Receiver: 24.7 x 13.8 x 5.14mm14. Weight: 26 grams (including receiver)Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 17cm * 5cm * 2cm / 6.69inch * 1.97inch * 0.79inch Qty per Carton 500 Carton Weight 24.00kgs / 52.91lb Carton Size 50cm * 50cm * 48cm / 19.69inch * 19.69inch * 18.9inch Loading Container 20GP: 222 cartons * 500 pcs = 111000 pcs40HQ: 515 cartons * 500 pcs = 257500 pcs

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1. Optical machine: DLP 0.2WVGA + RGB LED 2. Resolution: 854 x 480 WXGA, support 4K 3. Projection size: 120 inch 4. Throw Ratio: 1.2:1 5. Brightness: 1000-2000 lumens 6. CPU: Quad core 64bit ARM cortex-A55 7. RAM: 1GB; ROM: 8GB 8. WiFi: 2.4GHz/5GHz, 802.11 a/b/g/n/ac 9. OS: Android 9.0 10. BT: BT4.0 11. Vertical trapezoidal correction: Trapezoidal correction +/-40 degrees 12. Video formats: MKV/WMV/MPG/MPEG/DAT/AV/MOV/ISO/MP4/RM 13. Audio format: MP3/ACC/WMA/RM/FLV//OGG 14. Input: Support touch button/infrared remote control 15. Baterry: 4000mAh 16. Battery life: 1.5 - 2 hours 17. Power Supply: DC 5V 2.5A 18. Power: 5W 19. TF card slot: Support TF card playback 20. Headphone Jack: 3.5mm audio output jack 21. USB port: USB for disk hard disk and Type-C 22. Size: 140 x 80 x 22mmSpecification: Package Weight One Package Weight 0.68kgs / 1.51lb One Package Size 17.5cm * 11cm * 7.2cm / 6.89inch * 4.33inch * 2.83inch Qty per Carton 40 Carton Weight 25.00kgs / 55.12lb Carton Size 45cm * 37cm * 37cm / 17.72inch * 14.57inch * 14.57inch Loading Container 20GP: 432 cartons * 40 pcs = 17280 pcs40HQ: 1004 cartons * 40 pcs = 40160 pcs

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1. Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance 2. Easily compatible with the interfaces of Raspberry Pi 3B / 3B+ boards 3. Onboard headphone jack (extended from USB) 4. Onboard 4-ch USB ports, compatible with USB 2.0 / 1.1 transmission 5. Onboard RJ45 Gigabit Ethernet port, 10 / 100 / 1000 M adaptive 6. Onboard PoE header, for connecting PoE HATsSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 100 Carton Weight 6.50kgs / 14.33lb Carton Size 42cm * 52cm * 32cm / 16.54inch * 20.47inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 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. Model: XY-S220H 2. Item: 2.1 channel Bluetooth-compatible audio amplifier board 3. Power supply: above DC12-38V/10A 4. Bluetooth-compatible version: 5.1 5. Audio channel: 2.1 channel 6. Audio input: Bluetooth-compatible+AUX+U disk+USB sound card 7. Audio output: left and right channels + subwoofer 8. Frequency range: 20HZ--20KHZ 9. Volume adjustment: high-end encoder knob adjustment, smooth feel 10. Left and right channel maximum output power: 160W/4ohms----36V DC, 80W/8ohms---36V DC 11. Subwoofer maximum output power: 220W/3ohms----36V DC, 160W/4ohms----36V DC 12. Protection mechanism: overvoltage, undervoltage, clipping, short circuit, overheating, etc. 13. Unique function: Support Sinilink-APP to modify the Bluetooth-compatible name, set the 14. Bluetooth-compatible password, turn off/on the prompt toneSpecification: Package Weight One Package Weight 0.41kgs / 0.90lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 25cm * 32cm / 16.54inch * 9.84inch * 12.6inch Loading Container 20GP: 793 cartons * 40 pcs = 31720 pcs40HQ: 1842 cartons * 40 pcs = 73680 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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BME280 Environmental Sensor, Temperature, Humidity, Barometric PressureOverview1. A tiny sensor breakout with BME280 onboard, sensing environmental temperature, humidity, and barometric pressure. It supports both I2C and SPI interfaces, also is compatible with 3.3V/5V voltage levels.2. Due to its ultra small form factor, low power consumption, high precision with stability, the BME280 Environmental Sensor is suited for applications such as environment monitoring, weather forecast, altimeter, and IoT projects, and so on.Features1. Supports I2C (default), configurable slave address2. Supports SPI, switch to SPI via I/O setting3. Onboard voltage level translator, compatible with 3.3V/5V operating voltage4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)Specifications1. Operating voltage: 3.3V/5V2. Communication interface: I2C/SPI3. Temperature sensing: -40~85°C (resolution 0.01degree C, accuracy +/-1 degree C)4. Humidity sensing: 0~100%RH (resolution 0.008%RH, accuracy +/-3%RH, response time 1s, delay =<2%RH)5. Barometric pressure sensing: 300~1100 hPa (resolution 0.18Pa, accuracy +/-1hPa)6. Power consumption: <0.1mA@1Hz (H,P,T)7. Dimension: 27mm x 20mm8. Mounting hole size: 2.0mmPackage Contents1. BME280 Environmental Sensor x12. PH2.0 6PIN wire 20cm x1Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 118.56kgs / 261.38lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 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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Projection Parameters1. Display Technology: LCD2. Light Source: LED3. Color Temperature: 6500K4. Light Source Life: 30,000 hours5. Light Luminance: 150 ANSI (+/-10%)6. Lamp Type: LED7. Contrast Ratio: 0.65:18. Standard Resolution: 1280x720 / 60Hz9. Supported Resolution: 1080x1920 / 60Hz10. Contrast Ratio: 1200:111. Projection Area: 18-200 inches12. Picture Scale: 4:3 / 16:913. Optimal Size: 18-200 inches14. Luminance Uniformity: 80%15. Projection Distance: 0.5-3M16. Focus Mode: Automatic focusing17. Keystone Correction: Automatic correction18. Projection Mode: Hoisting / Front / Rear Project19. Speaker: Built-in Box Speaker (4ohm 5W x 1)Connector Details1. USB Port: Standard USB 2.0 x 12. HDMI Port: Standard HDMI x 13. Audio Output: Standard 3.5mm Audio Jack x 14. Power Port: Type-C (Supports 100-250V, 50/60Hz)5. Power Buttons: 1 x Power KeyOperating System1. CPU: Allwinner 727 (Quad-core Cortex-A53, 1.6GHz)2. GPU: Mali-G313. Video Decoding: 8K 24Hz4. System Version: Android 145. Memory: 1GB + 8GB6. Keystone Correction: Hard decoding trapezoid7. HDMI Support: HDMI 2.0, supports HDCP 1.4/2.28. HDMI Delay: Open trapezoid delay 40-50ms, close trapezoid delay 4ms9. WiFi Network Support: 802.11 b/g/n + BT5.4 WiFi6, 2.4G+5G+6G dual WiFi modes10. Remote Control: Infrared remote control / Bluetooth remote controlFile Formats:1. Video DecodingH.265: MP/L5.0, 4K 60fps 10-bitH.264: BP/MP/HP Level 5.1, 4K 30fps 8-bitVP9: Profile 2, 4K 60fps 10-bitAVS2: JiZhun, 1080p 60fpsAVS/AVS+: JiZhun, 1080p 60fpsVP8: N/A, 1080p 60fpsMPEG1: MP/HL, 1080p 60fpsMPEG2: MP/HL, 1080p 60fpsMPEG4: SP/ASP, 1080p 60fpsXVID: N/A, 1080p 60fpsH.263: BP, 1080p 60fpsSorenson Spark: N/A, 1080p 60fpsVP6: 6.0/6.1/6.2, 720p 30fpsMJPEG: N/A, 1080p 60fps2. Audio Support: MP3, AVI, ASF, WMV, WMA, DivX, Matroska, 3GPP, MP4, M4A, MPEG, DAT, VOB, MPG, TS, TRP, TP, FLV, WAV, AC3, EAC3, AAC, RM, RMVB, RA, WebM3. Image Support: JPG, JPEG, BMP, PNG4. File Support: TXT, EPUB, PDF, WORD, EXCEL, POWERPOINTStandard Accessories1. Adapter: Type-C interface, supports PD protocol,1.2m AC cable x 12. HDMI Cable: 1m HDMI cable x 1Product Appearance1. Dimensions: 138 x 138 x 153 mm2. Net Weight: 0.67 kg3. Power: 45 W +/- 5 WSpecification: Package Weight One Package Weight 1.10kgs / 2.43lb One Package Size 23cm * 18cm * 18cm / 9.06inch * 7.09inch * 7.09inch Qty per Carton 12 Carton Weight 14.00kgs / 30.86lb Carton Size 54cm * 47cm * 37cm / 21.26inch * 18.5inch * 14.57inch Loading Container 20GP: 283 cartons * 12 pcs = 3396 pcs40HQ: 659 cartons * 12 pcs = 7908 pcs

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1. Printing speed: 200 mm /s2. Printing machine life: 50km or 100 million pulses3. Resolution: 203dpi (8dot / mm)4. Internal font library: it can support 11 font sizes5. Thermal paper type: continuous paper, label paper, tag paper6. Effective print width: 80mm7. Printing paper thickness: 0.06-0.2mm8. Driver: Win2003 / XP / 7 / 8 / 10macos9. Mobile devices: support Android and IOS systems10. Professional printing head, good printing performance and long service life11. Freely adjust the print width12. Intelligent paper suction back function13. Size: 160x110x93mmSpecification: Package Weight One Package Weight 1.51kgs / 3.33lb One Package Size 18cm * 12cm * 11cm / 7.09inch * 4.72inch * 4.33inch Qty per Carton 10 Carton Weight 16.55kgs / 36.49lb Carton Size 36cm * 24cm * 33cm / 14.17inch * 9.45inch * 12.99inch Loading Container 20GP: 935 cartons * 10 pcs = 9350 pcs40HQ: 2171 cartons * 10 pcs = 21710 pcs

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🔥 Hear your performance clearly and move with confidence.The XTUGA RW2080 UHF wireless in-ear monitor receiver is designed for stage performers who need dependable wireless monitoring without being tied to a fixed position. With 40 preset channels, LCD status display and a 3.5mm earphone output, it is built for practical live-performance use.✅ Key benefits 40 preset channels across 4 groups 572–603MHz operating frequency range LCD status display 3.5mm earphone output Compact bodypack format 2 AA batteries required (not included) 📸 More Product Photos

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1. Product material: Adopt iron stamping and folding shell, surface spraying technology, stable appearance, good heat dissipation capacity. 2. Product features: This product is a portable HDMI high-definition video capture card that can simultaneously capture HDMI audio and video signals and transmit them to mobile phones and computers for preview, editing, storage and other multi-functional applications. 3. Product application: Connect the HDMI input end of the capture card to the signal source, the HDMI output end to the display port, and the Mic end to the microphone; support 3840*2160 60fps input, 1920*1080 60fps loop output, resolution backward compatible, Automatic recognition; USB3.0 1080P recording and editing, realization of high-definition acquisition, video recording, video live broadcast, teaching recording, medical imaging, game live broadcast, video live broadcast, high-definition video recording camera, etc. Features : 1. Comply with USB audio and video UVC specifications, support Windows, Android, Linux and MacOS operating systems 2. Support most acquisition software, such as VLC, OBS, Amcap, etc. 3. Support 1080P HD local loop out 4. The product supports HDMI 4K HD input 5. The product supports USB3.0 5Gbps ultra-high bandwidth acquisition, smooth acquisition, true color cast, and no delay 6. The product adopts FBGA package professional-level main control chip, stable performance, supports hardware compression, outstanding effect, and does not occupy computer resources 7. Support independent 3.5 microphone and 3.5 audio linear input interface, which can realize multi-channel audio independent adjustment and mixing (HDMI+Mic+BGM) 8. Using iron stamping and bending shell, surface spraying technology, calm atmosphere, good heat dissipation capacity 9. When the standard AWG26 cable is supported, the input transmission distance is up to 15 meters (1080P and below resolution) 10. Operating environment: -20 degree C to 75 degree C, relative humidity 5% to 95%Specification: Package Weight One Package Weight 0.52kgs / 1.15lb One Package Size 18cm * 12cm * 8cm / 7.09inch * 4.72inch * 3.15inch Qty per Carton 20 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 37cm * 26cm / 16.54inch * 14.57inch * 10.24inch Loading Container 20GP: 660 cartons * 20 pcs = 13200 pcs40HQ: 1532 cartons * 20 pcs = 30640 pcs

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