Search results for "school electronics"

1. New version of ESP32: REV1 2. Wi-Fi/Bluetooth/4MB flash memory/4MB PSRAM/3D antenna/LORA Product description 1. Working voltage: 1.8~3.7v 2. Acceptable current: 10~14mA 3. Emission current: -120mA at +20dBm -90 mA at +17dBm -29mA at +13dBm 4. Working frequency: 868MHz version SX1276 5. Transmitting power: + 20dBm 6. Receiving sensitivity: - 139dBm at LoRa and 62.5Khz & SF = 12 and 146bps - 136dBm at LoRa and 125Khz&SF = 12 & 293bps - 118dBm at LoRa & 125Khz & SF = 6& 9380bps - 123dBm at FSK & 5Khz & 1.2Kbps 7. Frequency error: +/- 15KHz 8. FIFO space: 64Byte 9. Data rate: - 1.2K~300Kbps at FSK - 0.018K~37.5Kbps in LoRa 10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK 11. Interface form: SPI 12. Sleep current: - 0.2uA in SLEEP - 1.5uA in IDLE 13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius 14. Digital RSSI function 15. Automatic frequency correction 16. Automatic gain control 17. RF wake-up function 18. Low pressure detection and temperature sensor 19. Fast wake-up and frequency hopping 20. Highly configurable packet handler Global Positioning System 1. GPS module NEO-M8N, 3V-5V power supply universal 2. Designated module with ceramic antenna, super strong signal 3. Save configuration parameter data EEPROM Down 4. With data backup battery 5. With LED signal indicator 6. The default baud rate: 9600 Power 1. TP5400 2. 2A battery management 3. LED indicator: There are 4 LEDs to display the battery status in real time. 4. Power button: Click once to start. Tap twice quickly to close. 5. USB 6. CP2104-GMR 7. Pre-flash firmware: SoftRF V4.0 Packing list: 1. TTGO T-Beam ESP32 2. 433MHz antenna 3. Pin x 1 4. Screw Washer x 3 Note: OLED is not included in the invoiceSpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 22cm * 18cm * 5cm / 8.66inch * 7.09inch * 1.97inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 45cm * 37cm * 52cm / 17.72inch * 14.57inch * 20.47inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs40HQ: 715 cartons * 100 pcs = 71500 pcs

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1. Image system: LCD 2. Light: LED 3. Native resolution: 1280x720P 4. Resolution max: 1920x1080 5. Brightness: 80ANSI 6. Contrast ratio: 3000:1 7. Power waste: 50W 8. Power supply: 100-240V 50/60HZ 9. Noise: less than 25dB 10. Picture size: 36-200 inches 11. Throwing distance: 1.2-5m 12. Aspect ratio: 4:3/16:9 13. Speaker: 4 Ohm 3W 14. Input: AV/USB/HDMI 15. Dimensions: 160mmx125mmx68mm 16. Weight: 0.6KGSpecification: Package Weight One Package Weight 1.04kgs / 2.30lb One Package Size 23cm * 21cm * 11cm / 9.06inch * 8.27inch * 4.33inch Qty per Carton 20 Carton Weight 19.60kgs / 43.21lb Carton Size 54cm * 48cm * 42cm / 21.26inch * 18.9inch * 16.54inch Loading Container 20GP: 244 cartons * 20 pcs = 4880 pcs40HQ: 568 cartons * 20 pcs = 11360 pcs

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Parameter:1. Material: ABS+Silicone2. AC voltage: 0-750V3. DC voltage: 0-1000V4. AC current: 0mA-10A5. DC current: 0mA-10A6. Resistance: 0-60 milliohms7. Capacitance: 0nF-100mF 0nF-100mF8. Hertz: 0Hz-999.9kHz9. Temperature: -40~1000 degrees Celsius / -40~1832 degrees Fahrenheit10. Counting: 6000 counts11. Display: VA color display12. Screen: touch screen13. Built-in battery: 3.7V 2800mAh lithium battery14. Product size: 152x76x25mm15. Product weight: 217 gramsDescribe:1. Including AC/DC voltage, AC/DC current, resistance, capacitance, temperature, frequency, diode, buzzer, neutral line, duty cycle and other measurement functions2. Intelligent sensor touch screen, easy to operate3. VA color reverse display, display 6000 times (MAX), with data hold function, clearly read the measured value in various working environments4. NCV non-contact induction, using NCV sensor for induction, the closer to the power supply, the faster the alarm, the flashlight flashes red5. The flashlight illuminates the front. In a dark environment, you are no longer afraid of not being able to see the measured position. It is a good helper for night work6. Soft silicone wire, high-quality test wire has the characteristics of tensile and high temperature resistance, and has the function of anti-freezing and anti-burning7. Built-in rechargeable lithium battery: no need to buy and replace the battery again, equipped with a C-type cable for charging, safer and more convenient8. Silicone protective case: Wrapped with a silicone protective case, it can effectively prevent falling, protect the multimeter from damage, shockproof and scratch-resistantSpecification: Package Weight One Package Weight 0.49kgs / 1.08lb One Package Size 21cm * 11cm * 6cm / 8.27inch * 4.33inch * 2.36inch Qty per Carton 62 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 62 pcs = 10974 pcs40HQ: 412 cartons * 62 pcs = 25544 pcs

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1. Multi-purpose scale suitable for family and travel. 2. Lightweight, portable and easy to use. 3. High strength, compact, firm hand strap. 4. LCD screen display with blue back ground light for convenient use in the dark. 5. Multiple weighingunits: g, Kg, Lb, OZ.Specification: General Material ABS, Stainless steel Max Load 50Kg Accuracy 10g Weighing units g, OZ, kg, lb Power 2 x AAA Batteries(not included) Product size 12*9.2*2.4cm Net Weight 150g Package Include Package Contents 1 x Scale 1 x User Manual Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 14.5cm * 14.5cm * 3.5cm / 5.71inch * 5.71inch * 1.38inch 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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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. Standard Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+ 2. IPS screen, wide viewing angle, better display High definition in small size 3. 1x joystick, 3x pushbuttons, handy and useful 4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) 5. Driver: ST7789 6. Interface: SPI 7. Display color: RGB, 65K color 8. Resolution: 240x240 9. Backlight: LED 10. Operating voltage: 3.3VSpecification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 10cm * 8cm * 8cm / 3.94inch * 3.15inch * 3.15inch Qty per Carton 150 Carton Weight 8.60kgs / 18.96lb Carton Size 60cm * 32cm * 32cm / 23.62inch * 12.6inch * 12.6inch Loading Container 20GP: 434 cartons * 150 pcs = 65100 pcs40HQ: 1007 cartons * 150 pcs = 151050 pcs

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1. Display technology: DLP (0.23 inch DMD)2. Projection light source: RGB LED3. The service life of the projection light source: more than 10,000 hours4. Brightness: 200 lumens5. Light type: LED6. Resolution: 1080P (1092X1080P), support 4K7. Projection size: 40-300 inches8. Contrast ratio: 1000:19. Projection ratio: 1.2:110. 3D mode: support shutter 3D11. Distortion: less than 1.26%12. Uniformity: greater than 90%13. Projection distance: 1m-8m14. Projection aspect ratio: 4:3/16:9/16:1015. Focusing mode: automatic focusing16. Keystone correction: automatic, vertical: +/-40 degrees17. Projection mode: front projection, rear projection, ceiling projection18. Same screen mirroring: Eshare/Airplay/MiraCast19. Scheme: RK336820. Basic frequency: 8-core, 64-bit, Ar53 core, 1.5G21. Processor: G6110 GPU22. Running memory: 2GB DDR323. Built-in storage: 16GB24. WIFI: dual frequency 2.4G/5G, 802.11a/b/g/n ac25. Bluetooth: BT5.0 (TBD)26. Bluetooth audio mode: one-key switch, (the projector is on the screen, the projector can be used as a Bluetooth audio)27. Built-in battery capacity: 7.4V 4000MAH28. Interface: HDMI X1, USB X2, 3.5 headphone output X1, DC input 15V3A29. Unique cylindrical appearance, with touch module, can be operated by hand touch, remote control, mouse, etc.30. Built-in battery, can last for 1.5 hours, built-in 3W speaker, experience high-quality music anytime, anywhere31. The size of the projection screen can be adjusted at will, zooming in the same proportion, without moving the machine, you can directly use the remote control to operate32. It can be adjusted to the Bluetooth speaker mode, the projector screen is off, and the projector can be used as a Bluetooth speaker33. The auto focus function is not only convenient to use, but also more technological, which solves the needs of users34. With off-axis function, it can be placed and watched at will35. Android 7.1 system, with 2.4G/5G WIFI, can realize large-screen interaction with the same screen mobile phone, and can watch movies and play games online, etc.36. Body size: 93x93x161mm37. Net weight of the body: 0.9kgSpecification: General Model A5 OS Android 7.1 RAM 2GB ROM(Flash) 16GB Display Types DLP Native Resolution 1920 x 1080 Aspect Ratio 16:9, 4:3, 16:10 Brightness 200 lumens Light Source Life more than 10,000 hours Lamp Types/Number/Life LED Contrast Ratio 1000:1 Projector Ratio 1.2:1 Keystone Correction automatic, vertical: +/-40 degrees Focusing Manner Auto Projection Methods Front, Rear, Ceiling Battery Capacity 7.4V 4000MAH Speaker 3W Interfaces(I/O) 2 x USB Ports 1 x HDMI Port 1 x Earphone Out Port 1 x DC In Port WiFi dual frequency 2.4G/5G, 802.11a/b/g/n ac Bluetooth 5.0 Dimensions Size 93x93x161mm Weight 0.9kg Package Weight One Package Weight 1.81kgs / 3.99lb One Package Size 25cm * 17cm * 14cm / 9.84inch * 6.69inch * 5.51inch Qty per Carton 5 Carton Weight 10.53kgs / 23.21lb Carton Size 51cm * 43cm * 15cm / 20.08inch * 16.93inch * 5.91inch Loading Container 20GP: 810 cartons * 5 pcs = 4050 pcs40HQ: 1881 cartons * 5 pcs = 9405 pcs

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Features:1. A dual serial port device data collector/IoT gateway designed for industrial environments. One RS232 and one RS485 can work simultaneously using one network cable without interfering with each other.2. It integrates multiple functions, including serial port server, Modbus gateway, MQTT gateway, RS232 and RS485 to JSON, etc.3. The other Ethernet port can be used as a network switch or cascade, and the PoE function can be equipped with dual power supply.4. The Ethernet port provides two power supply methods: DC port (outer diameter 5.5mm, inner diameter 2.1mm) and screw terminal.5. The chassis adopts guide rail support, which is small in size, easy to install and cost-effective. 6. Suitable for data collection, IoT gateway, security IoT, smart instrument monitoring and other applications.7. This product is a PoE receiving device (PD) and needs to be connected to a PoE power supply and obtain power from the PSE device to work properly.Product parameters:1. Product type: serial server, Modbus gateway, MQTT gateway2. Basic functions: two-way transparent transmission of data between RS232, RS485 and Ethernet3. Communication interface: RS232 port × 1, RS485 port × 1, Ethernet port × 24. Power supply:TO ETH (B): DC 5.5 power interface, 6~45V DC screw terminalTO POE ETH (B): DC 5.5 power interface, 6~45V DC screw terminal, or PoE interface5. Isolation protection: power isolation, signal isolation6. Ethernet:TO ETH (B)：RJ45TO POE ETH (B): RJ45 with PoE support, IEEE 802.3af compliant10/100M self-negotiating RJ45 connector, 2KV surge protection7. Serial port: Isolated RS232 and RS485 (2 channels can receive and send independently at the same time)8. Baud rate: 300-115200 bps9. Check digit: none, odd, even, mark, space10. Data bits: 5-9 bits11. Flow control: Not applicable12. Protocol: Ethernet, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS13. Configuration: host, browser, device management function library14. Communication method: TCP/IP direct communication, VCOM15. Working mode: TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast16. Working temperature: minus 40 degrees Celsius - 85 degrees Celsius17. Humidity range: 5%-95% relative humidity18. Product size: 78 x 72.5 x 24.2mm19. Weight: 134 gramsSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 12cm * 12cm * 4cm / 4.72inch * 4.72inch * 1.57inch Qty per Carton 36 Carton Weight 7.58kgs / 16.71lb Carton Size 26cm * 26cm * 38cm / 10.24inch * 10.24inch * 14.96inch Loading Container 20GP: 1038 cartons * 36 pcs = 37368 pcs40HQ: 2409 cartons * 36 pcs = 86724 pcs

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Feature: 1. H10S features a DLP Pico chipset and brilliant color technologies from texas instruments. 2. It applies a portable size and 3 LED lamps over 500ANSI lumens, with Android 9.0 OS, BT5.0 and Wi-Fi wireless capability, who can transform any surface into a 300-inch screen with unparalleled brightness and clarity. The superior sound quality and the dimension converter bring all video content to life in brilliant 3D. Install apps and games onto the customized android system and wirelessly stream them directly onto the projector. 3. Its very compact design and connectivity option allows it to be used with a variety of other portable devices, like phones, laptops. Portable and versatile, it is perfect for sharing contents at work and play. Optical parameters: 1. Display technology: TI DLP 2. Light source: RGB LED 3. Lens lifetime: 30.000 hours 4. Specialty: 3D 5. Luminance: 500 ANSI 6. Contrast ratio: 1000:1 7. Native resolution: 1920 x 1080P 8. Compatible: resolution: 1080P 4K 9. Color temperature: 7500-9000K Projection parameters: 1. Throw ratio: 1.2:1 (76-inch 2m) 2. Keystone correction: +/-40 degree (Auto vertical + Manual horizontal) 3. Projection mode: front/back/ceiling mode (Auto) System parameters: 1. CPU: Quad core Cortex-A55 1.9GHz 2. GPU: G31 MP2 3. RAM: 2GB 4. Storage: 16GB 5. Operation system: Android 9.0 OS 6. WiFi: 2.4G+5G (dual-band 2.4/5GHz, 2x2 double antennas) 7. Bluetooth: BT4.2/5.0 8. Mirroring display: Ushare (Airplay/DLNA/Mirroring) 9. Source searching: auto/manual 10. Input interface: - HDMI x 1 - USB2.0 x 1 - USB3.0 x 1 - AV x 1 11. Output interface: - Headphone x 1 - SDPIF x 1 12. Cable network: Ethernet x 1 13. Noise: - Standard mode: less than 28dB - Saving mode: 22dB 14. Internal speaker: 3W 15. Power dissipation: MAX 28W 16. Power: AC100-240V, 50/60Hz 17. Supported formats: - Video: MPEG-1/2/4 1080P30fps H.264/H.265 4KP60pfs etc. - Audio: MPEG-1/2/3 etc. - Picture: JPEG, GIF, BMP 18. Size: 153(L)x120(W)x30(H)mm 19. Weight: 500g Specification: Package Weight One Package Weight 2.45kgs / 5.40lb One Package Size 30cm * 25cm * 9cm / 11.81inch * 9.84inch * 3.54inch Qty per Carton 5 Carton Weight 12.23kgs / 26.96lb Carton Size 54cm * 31cm * 34cm / 21.26inch * 12.2inch * 13.39inch Loading Container 20GP: 468 cartons * 5 pcs = 2340 pcs40HQ: 1087 cartons * 5 pcs = 5435 pcs

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About The Product1. MEASY FHD686 wireless HD Multimedia Interface extender transmits full HD audio and video from any device source to the TV wirelessly. 2. No any cable connection is required between the source device and the TV. You can watch the Full HD TV freely from anywhere. 3. It is easy to install, plug and play, no need to install any software, no need to do any setting. It can be installed within 2 minutes! 4. It uses the latest distributed wireless technology, and the signal can be clear and smooth through a single non-high-density wall or ceiling, with zero interference of image and sound. 5. The wireless HD Multimedia Interface extender ensures smooth signal flow from any AV device with an HD Multimedia Interface output to a TV. It provides an immersive media streaming experience because of stable and uncompressed Full HD transmission .Features1. The resolution is up to 1080p at 60Hz 2. HD Multimedia Interface 1.4, HDCP1.4 3. The transmission distance is up to 200m (In the open space without interference) 4. Channel can be selected. A screen display the Channel 5. The latency time is 150ms 6. Frequency: 5.8GHz and 2.4GHz dual bandPackage List1. Transmitter x 1 2. Receiver x 2 3. Power Adapter x 2 4. External IR Cable x 1 5. Manual x 1Specification1. HD Multimedia Interface standards: HD Multimedia Interface v1.4, HDCP1.4 2. HD Multimedia Interface resolution: Up to 1080P at 60HZ 3. Audio format: 1080P high-end 4. Data max transmission rate: 6.75Gbps 5. Wireless transmission satndards: IEEE802.11a/b/g/n 6. Operating frequency: 2.4GHz 150Mbps, 5GHz 300Mbps 7. Wireless transmission power: 16+- 2dBm 8. Transmission distance: 200m (open space accessibility) 9. IR Frequency rate: 38Khz 10. DC power input: AC 100V-240V 50/60HZ 11. DC power output: DC 12V/2A 12. Operating temperature: -5 degree C + 70 degree C 13. Operating dimension: 5%-90%Specification: Package Weight One Package Weight 1.30kgs / 2.87lb One Package Size 28.5cm * 12cm * 15cm / 11.22inch * 4.72inch * 5.91inch Qty per Carton 8 Carton Weight 11.30kgs / 24.91lb Carton Size 52cm * 32cm * 29cm / 20.47inch * 12.6inch * 11.42inch Loading Container 20GP: 552 cartons * 8 pcs = 4416 pcs40HQ: 1282 cartons * 8 pcs = 10256 pcs

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UT205E: - true rms - Continuity test - Diode test - duty cycle - NCV test pen - Maximum/minimum value - Automatic/manual ranging - relative value - Flashlight/Backlight - Gear record - Automatic shut-down parameter: - AC current: 0.01A~1000A - Current frequency: 50Hz~60Hz - DC voltage: 0.1mV~1000V - AC voltage: 0.001V~1000V - High voltage frequency: 40Hz~400Hz - Resistance measurement: 0.1ohm~60mohm - Capacitance measurement: 0.01nF~60mF - Low voltage frequency: 10Hz~1MHz - Duty cycle: 0.1%~90% - Jaw opening: 42mm - Machine size: 272 x 81 x 43.5mm - Machine weight: 447g - Power supply mode: 3 AAA batteries (batteries are not included) Standard configuration: packing box + manual + test pen + cloth bagSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 30cm * 14cm * 8cm / 11.81inch * 5.51inch * 3.15inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs

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1. Movement: electronic movement2. Mirror: resin3. Case: ABS4. Strap: silicone5. Buckle: stainless steel6. Waterproof: daily waterproof7. Function: time, stopwatch, LED luminous, date display, alarm, week display, hourly time, 12/24 hour system8. Dial width: about 3.77cm9. Dial thickness: about 1.04cm10. Strap width: about 1.78cm11. Total length of watch: about 23.5cm12. Weight: about 33gFeatures:1. LED luminous, no fear of the night, easy to read in low light2. Stainless steel bottom cover, good waterproof performance3. Stainless steel buckle, fits the wrist, comfortable to wear4. ABS case, hard and durable5. Silicone strap, comfortable to wear6. Good waterproof performance can meet daily waterproof, wash hands and wearSpecification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 28cm * 8cm * 2cm / 11.02inch * 3.15inch * 0.79inch Qty per Carton 50 Carton Weight 3.50kgs / 7.72lb Carton Size 32cm * 22cm * 16cm / 12.6inch * 8.66inch * 6.3inch Loading Container 20GP: 2367 cartons * 50 pcs = 118350 pcs40HQ: 5495 cartons * 50 pcs = 274750 pcs

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