Search results for "school electronics"

1. Designed for active combat and high noise applications2. Allow earphones to be worn under electronic protective devices or ear protectors3. Ventilated ear pads can achieve peripheral hearing or direct audio through electronic hearing protection devices4. Provides low-key and ventilated earmuffs, and a flexible microphone boom installed in a lower position5. Three adjustable suspension straps ensure a comfortable fit and stability6. The PTT component connects the low-impedance headset and flight helmet with the PRC radio7. The adaptor is moisture-proof and sealed, and is built-in in a sturdy shell, so it can be operated even with thick gloves8. The fixing clip on the back can be rotated 360 degrees to make the adapter as easy and flexible as possible9. All external parts are made of anti-rust materials10. Frequency response: 150Hz-500Hz11. Sensitivity: 46-60dB12. Impedance: 8Ohms13. Weight: 252 grams14. Size: 200x138x38mmSpecification: Package Weight One Package Weight 0.34kgs / 0.75lb One Package Size 22cm * 15cm * 5cm / 8.66inch * 5.91inch * 1.97inch Qty per Carton 60 Carton Weight 19.20kgs / 42.33lb Carton Size 44cm * 45cm * 50cm / 17.32inch * 17.72inch * 19.69inch Loading Container 20GP: 269 cartons * 60 pcs = 16140 pcs40HQ: 625 cartons * 60 pcs = 37500 pcs

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1. Material: PBT, electronic components2. Use: DC power monitor3. Voltage measurement range: 0-300V4. Current measurement range: 0-300A5. Frequency measurement range: 45-65HZ6. Power measurement range: 0-90KW7. Energy consumption measurement range: 0-999kWh8. Measurement accuracy: 1 percent9. Using reinforced PBT material, high temperature resistance10. Embedded installation, simple and convenient11. HTN wide viewing angle LCD screen, clear and convenient to observe data12. Dimensions: 8.53 x 4.4 x 3.16 cm13. Weight: 120 gramsSpecification: Package Weight One Package Weight 0.13kgs / 0.29lb One Package Size 10cm * 6cm * 4.5cm / 3.94inch * 2.36inch * 1.77inch Qty per Carton 226 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 226 pcs = 40002 pcs40HQ: 412 cartons * 226 pcs = 93112 pcs

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1. Radio frequency: AM: 520-1710KHZ; FM: 76-108MHZ (support Japanese frequency)2. Built-in lithium battery: 3.7V 500mA3. Micro USB input: can be charged by external 5V power supply4. Material: ABS+PS5. Product size: 14x8x3.5cm; Product weight: 235g6. USB output emergency charging interface, which can charge mobile phones7. Support LED flashlight, hand-crank power generation, solar power supply function8. Emergency alarm sound9. Headphone jack10. Charging indication functionSpecification: Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 16cm * 9cm * 5cm / 6.3inch * 3.54inch * 1.97inch Qty per Carton 80 Carton Weight 23.80kgs / 52.47lb Carton Size 47cm * 42cm * 34cm / 18.5inch * 16.54inch * 13.39inch Loading Container 20GP: 397 cartons * 80 pcs = 31760 pcs40HQ: 922 cartons * 80 pcs = 73760 pcs

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DescriptionMini ST-LINK/V2 on a small single board, an extreme low cost solution for in-circuit debugger/programmer for STM8 and STM32.Features1. Onboard 500mA self-recovery fuse to avoid harming by short circuit2. Dual voltage output (3.3V/5V), easy for debugging/programming3. Standard USB interface for direct connection to PC4. Debugging/Programing performance- Debugging : run at full-speed, single-stepped, breakpoints, viewing variables and registers, etc.- Programming : supports FLASH ROM, EEPROM, AFR, etc.- USB2.0 combined with SWIM/SWD interfaces : quick response for debugging & fast speed for programming5. Upgradable firmware- The firmware is upgradable to support more devices in the future- Automatically upgraded6. Supported software- ST-LINK Utility v2.0 (or higher ver.)- STVD Version 4.2.1 (or higher ver.)- STVP Version 3.2.3 (or higher ver.)- IAR EWARM Revision v6.20 (or higher ver.)- IAR EWSTM8 Revision v1.30 (or higher ver.)- KEIL RVMDK Revision v4.21 (or higher ver.)- ATOLLIC- TASKING7. Supported devices- All the STM8 devices with SWIM interface- All the STM32 devices with SWD interfacePackage Contents1. ST-LINK/V2 (mini) × 12. 4-pin custom connector cable × 13. USB type A plug to receptacle cable × 1Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 8cm * 4cm * 1cm / 3.15inch * 1.57inch * 0.39inch Qty per Carton 2800 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 40cm * 40cm / 22.05inch * 15.75inch * 15.75inch Loading Container 20GP: 297 cartons * 2800 pcs = 831600 pcs40HQ: 690 cartons * 2800 pcs = 1932000 pcs

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Product Introduction:This product is a high-performance development board based on the ESP32-P4 chip, featuring a dual-core plus single-core RISC-V architecture. It includes an onboard 7-inch 1024 × 600 resolution IPS touchscreen display and supports a variety of human-machine interaction interfaces, including MIPI-CSI with an integrated image signal processor (ISP), and a high-speed USB OTG 2.0 HS interface. The ESP32-P4 chip integrates a digital signature peripheral and a dedicated key management unit to ensure data and operational security. Designed for high-performance and high-security applications, it fully meets the higher demands of embedded applications in terms of human-machine interface support, edge computing capabilities, and I/O connectivity.Product features:1. Processor: equipped with a RISC-V 32-bit dual-core processor (HP system), with DSP and instruction set extensions, and a floating-point unit (FPU), with a main frequency up to 360MHz.2. Equipped with a RISC-V 32-bit single-core processor (LP system), with a main frequency up to 40MHz.3. Equipped with an ESP32-C6 WIFI/BT coprocessor, extending WIFI 6/Bluetooth 5 and other functions via SDIO.4. Resolution: 1024x6005. Communication Interface: Supports RGB565, RGB666, RGB8886. Display panel: IPS7. Touch type: capacitive8. Touch chip: GT9119. Brightness: 350cd/m210. Contrast ratio: 600:111. Viewing angle: 160 degrees12. Dimensions: 99.17x164.28mm13. Display size: 86.42x154.58mm14. Display colors: 16.7M colorsMemory:1. 128 KB high-performance (HP) system read-only memory (ROM)2. 16 KB low-power (LP) system read-only memory (ROM)3. 768 KB high-performance (HP) L2 memory (L2MEM)4. 32 KB low-power (LP) SRAM5. 8 KB system tightly coupled memory (TCM)6. 32 MB PSRAM stacked in the package, 32MB Nor Flash connected via QSPI interfacePeripheral Interfaces:1. Onboard Type-C USB 2.0 OTG interface, SDIO 3.0 SD card slot, Type-C UART programming port for convenient use in different scenarios.2. Onboard speaker interface and microphone, allowing for ideal audio functionality using codec and power amplifier chips.3. Onboard MIPI-CSI high-definition camera interface, supporting full HD 1080P image acquisition and encoding, integrated image signal processor (ISP), H264 video encoder, supporting H.264 & JPEG video encoding (1080P @30fps), suitable for applications in computer vision, machine vision, etc.4. Onboard MIPI-DSI high-definition display interface, integrated pixel processing accelerator (PPA), 2D graphics acceleration controller (2D DMA), supporting JPEG image decoding (1080P). At 30fps, it provides strong support for high-definition display and a smooth HMI experience, making it suitable for applications such as smart home control panels, industrial control panels, and automatic vending machines.Specification: Package Weight One Package Weight 0.47kgs / 1.03lb One Package Size 19cm * 12cm * 4cm / 7.48inch * 4.72inch * 1.57inch Qty per Carton 48 Carton Weight 23.30kgs / 51.37lb Carton Size 40cm * 38cm * 34cm / 15.75inch * 14.96inch * 13.39inch Loading Container 20GP: 515 cartons * 48 pcs = 24720 pcs40HQ: 1197 cartons * 48 pcs = 57456 pcs

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Features:1. USB2.0 printer server: USB printer 10/100Mbps Ethernet port, USB2.0 MFT printing shared LAN network printer2. Save space and time: No need to have a dedicated computer to share the printer, allowing printing from any computer on the network, saving you the cost of owning a printer or the hassle of manually sharing a printer with multiple computers.3. Energy saving: Using highly integrated chips and low power consumption, it greatly saves energy and reduces costs compared with traditional printers.4. Web management and flexible placement: The built-in Web management function provides additional convenience, allowing users to configure, monitor and even reset the print server through a Web browser, making it easy to use. Print jobs can even be sent to a printer in another country as easily as they are sent to a printer in the same office.5. Easy to install: Compact and lightweight, easy to install with simple setup wizard and web-based remote management. Connect the print server to the printers USB port using a USB cable, then connect it to the rest of the network using an RJ-45 network cable.6. Support LPR network printing and Bonjour printing service: The printer server supports the LPR (Line printer Remote) protocol to realize network printing. It also supports Bonjour Print Services, making it easier to find and configure printers on the network.Steps for usage:1. First, you need to use it in LAN.2. Secondly, install the driver, then open the driver and search for the device in the driver interface.3. Click the connection option. After the connection is successful, you can open the printer.Notice:1. Setup is one-time. You dont have to run this process every time you print. If you remove the installation wizard, it will no longer work.2. The printer or MFP installed and in use on your computer will have automatic connected printing enabled.3. Auto-disconnect printer devices may not work with storage devices (such as pen drives, flash drives, etc.).4. Not compatible with Mac OS devices.Specification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 22cm * 15cm * 6cm / 8.66inch * 5.91inch * 2.36inch Qty per Carton 40 Carton Weight 13.20kgs / 29.10lb Carton Size 56cm * 43cm * 31cm / 22.05inch * 16.93inch * 12.2inch Loading Container 20GP: 357 cartons * 40 pcs = 14280 pcs40HQ: 829 cartons * 40 pcs = 33160 pcs

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Feature: 1. Easy to use, and one-click recording. 2. Can still record when it is charging. 3. Super high quality recording, very clear. 4. Mini size, easy to carry. Specification: 1. Memory: 8GB/16GB/32GB 2. Recording format: WAV 3. Recording time: about 18 hours 4. Battery: built-in chargable lithium battery 5. Transmission port: USB 2.0 6. Recording distance: 5 meters 7. Audio output: computer playback 8. Size: 65x20x8mm 9. Net weight: 13.8gSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 13.5cm * 10.6cm * 2.5cm / 5.31inch * 4.17inch * 0.98inch Qty per Carton 150 Carton Weight 5.50kgs / 12.13lb Carton Size 50cm * 42cm * 26cm / 19.69inch * 16.54inch * 10.24inch Loading Container 20GP: 488 cartons * 150 pcs = 73200 pcs40HQ: 1133 cartons * 150 pcs = 169950 pcs

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1. 8 function keys 2. Can be set hours, minutes and weeks 3. Can be converted to daylight saving 4. Random function mode 5. 12/24 hour conversion systemSpecification: General Material Plastic, Metal Input Voltage AC 240V Input Current 10A MAX Package Weight One Package Weight 0.20kgs / 0.44lb One Package Size 14.5cm * 8.3cm * 6.5cm / 5.71inch * 3.27inch * 2.56inch Qty per Carton 60 Carton Weight 12.90kgs / 28.44lb Carton Size 45cm * 40cm * 30cm / 17.72inch * 15.75inch * 11.81inch Loading Container 20GP: 493 cartons * 60 pcs = 29580 pcs40HQ: 1146 cartons * 60 pcs = 68760 pcs

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1. JPEG PDF-A4 or PDF-Letter scan-format selection. 2. Color or Mono scan-color selection. 3. Scanning resolutions: 300/600/1050 DPI selection. 4. Directly save JPG(JPEG)/PDF files to the Micro SD card. 5. Supports Micro SD card of up to 32GB (not included) 6. Color display to playback the scanned images. 7. Double roller design, double roller drive scanning, Scan more stably. 8. Built-in 850mAh lithium-polymer battery. 9. Book-edge design, get all the book content. 10. Wireless design, scan picture anywhere and anytime. 11. Driver free to download for MS Windows 8 / 7 / Vista / XP and Mac OS 10.4 or above (direct plug-in, driver installation not required) 12. WIFI function, download the picture to PC, iPhone, iPad, or android mobile device is available by Wi-Fi. 13. Resolution: - Low resolution: 300x300 dpi. - High resolution: 600x600 dpi. - Fine resolution: 1050x1050 dpi. 14. Scanning Speed: - Mono Low resolution: 2.0 Seconds. - Color Low resolution: 3.0 Seconds. - Mono High resolution: 6.0 Seconds. - Color High resolution: 8.0 Seconds. - Mono Fine resolution: 10 Seconds. - Color Fine resolution: 12 Seconds. 15. Capacity (Based on 2GB MicroSD card): - Mono Low resolution: 1200pcs. - Color Low resolution: 1000pcs. - Mono High resolution: 600pcs. - Color High resolution: 550pcs. - Mono Fine resolution: 150pcs. - Color Fine resolution: 140pcs. 16. Scanner photo size: A4, A5, 5R, 4R, 3R and below. 17. Scan width: 225mm 18. Scan length: 300DPI: 125 inch (max), 600DPI: 60 inch (max), 1050DPI: 50 inch (max). 19. Battery Life: >= 400 piece (A4 paper default, low resolution with color). 20. WIFI Specification: IEEE802.11b, IEEE 802.11g, IEEE 802.11n.Specification: General Model iScan02 Material ABS, Plastic Interface USB 2.0 External Memory MicroSD Card, up to 32GB (not include) Power Supply Built-in 850mAh lithium-polymer battery Size 258*39*28mm Parameters Display 480*320 Image Sensor A4 Color Contact Image Sensor Resolution 300 DPI, 1050 DPI File Format JPG, PDF Package Include Package Contents 1 x USB Cable 1 x Scanner Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 32cm * 11.5cm * 5.5cm / 12.6inch * 4.53inch * 2.17inch Qty per Carton 40 Carton Weight 14.00kgs / 30.86lb Carton Size 46cm * 30cm * 34cm / 18.11inch * 11.81inch * 13.39inch Loading Container 20GP: 568 cartons * 40 pcs = 22720 pcs40HQ: 1319 cartons * 40 pcs = 52760 pcs

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1. It is a 3 in 1 digital audio video cable, which can be used together with the phone and other equipped with 8 Pin / micro usb / type-c interface. 2. Through the multifunctional digital audio video converter, you can display the APP, presentation, web page, slide show and other contents on the screen of your device in 2K format on TV, display screen, projector or other compatible display screen equipped with HDMI or VGA ports. 3. Support iOS, Android system. 4. Size: 18.5 x 7.5 x 4.5cm 5. Weight: 45gSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 19cm * 8cm * 5cm / 7.48inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 7.50kgs / 16.53lb Carton Size 52cm * 42cm * 40cm / 20.47inch * 16.54inch * 15.75inch Loading Container 20GP: 305 cartons * 100 pcs = 30500 pcs40HQ: 708 cartons * 100 pcs = 70800 pcs

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1. The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message will be sent to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself 2. It is simple and convenient to use, can be well embedded in other equipment, and act as a remote alarm working system 3. The alarm content of 1 alarm input and the alarm content when it is restored to normal can be defined by yourself 4. Built-in rechargeable lithium battery, usually in a charging state, when the main power is off, it will provide power and send an alarm message to the preset number 5. Power supply: DC 5V-15VSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 13cm * 10cm * 3.1cm / 5.12inch * 3.94inch * 1.22inch Qty per Carton 60 Carton Weight 8.43kgs / 18.58lb Carton Size 41cm * 34cm * 22cm / 16.14inch * 13.39inch * 8.66inch Loading Container 20GP: 869 cartons * 60 pcs = 52140 pcs40HQ: 2018 cartons * 60 pcs = 121080 pcs

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1. Product materials: ABS2. Steel wire material: PVC / brass3. Display: 6000 (MAX)4. Automatic shutdown: after 10 minutes5. Battery model: 2xAAA type (excluding)6. AC voltage: 0~600V7. DC voltage: 0~600V8. AC current: 0~10A9. DC current: 0~10A10. Capacitor: 6nF~60mF11. Resistance: 0~60 milliohms12. Hertz: 0-10 M H z13. Automatic identify and measure according to different input voltage / current / resistance, etc14. Stable performance, high accuracy and clear reading15. Also has the additional convenience function of the flashlight test16. Product size: 137.4x68.4x14.5 mm17. Total conductor length: 100 cm18. Weight: 105 gramsSpecification: Package Weight One Package Weight 0.34kgs / 0.76lb One Package Size 20cm * 15cm * 12cm / 7.87inch * 5.91inch * 4.72inch Qty per Carton 20 Carton Weight 10.00kgs / 22.05lb Carton Size 42cm * 32cm * 62cm / 16.54inch * 12.6inch * 24.41inch Loading Container 20GP: 320 cartons * 20 pcs = 6400 pcs40HQ: 742 cartons * 20 pcs = 14840 pcs

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