Search results for "school electronics"

Product Description Hardware Specifications: 1. Main chip: ESP32 2. Module: ESP32-WROVER-B,SIM7600E-H 3. Interface:USB,SD Card,Solar Input interface 4. Flash Memory: 4M Flash / 8M PSRAM 5. Button: Reset,Power switch 6. USB to TTL: CP2104 7. Car Clock: 40MHz 8. SIM Card Size: Nano SIM Card 9. SIM Antenna 10. GPS Antenna 11. Operating Temperature Range: -40-85 degrees 12. Product Size: 111mm x 37mm x 20mm 13. Product Weight: 50g Power Specifications: 1. Working Voltage: 5V input 2. Solar input voltage range???4.4-6V 3. Working Curent: About 200mA 4. Charging Current: 780mA 5. Battery Model: 18650 6. Battery Holder Model: 18650 battery holder 7. JST Connector: 2pin 2mm 8. USB: TYPE-C 3.0 Wi-Fi: 1. Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC 2. Protocol: 802.11 b/g/n(802.11n???speed up to150Mbps)A-MPDU and A-MSDU polymerization???support 0.4??S Protection interval 3. Frequency: range 2.4GHz~2.5GHz(2400M~2483.5M) 4. Transmit Power: 22dBm 5. Communication distance: 300m Bluetooth: 1. Protocol meet Bluetooth : v4.2BR/EDR and BLE standard 2. Radio Frequency : with -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH 3. Audio Frequency : CVSD&SBC audio frequency Software Specification: 1. Wi-Fi Mode : Station/SoftAP/SoftAP+Station/P2P 2. Security Mechanism : WPA/WPA2/WPA2-Enterprise/WPS 3. Encryption Type : AES/RSA/ECC/SHA 4. Firmware Upgrade :UART download/OTA???Through network/host to download and write firmware??? 5. Software Development : Support cloud server development /SDK for user firmware development 6. Networking Protocol : IPV4, IPV6, SSL, TCP/UDP/HTTP/FTP/MQTT 7. User Configuration : AT + Instruction set, cloud server, Android/iOS APP 8. OS : FreeRTOS Version update function: 1. The batterys positive and negative poles are connected to the wrong protection, overcharge and over discharge protection 2. GPS power control, reduce power consumption, the lowest reaches 300uA when sleeping 3. Replacement of ordinary charging IC with solar charging ICSpecification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 11cm * 11cm * 3cm / 4.33inch * 4.33inch * 1.18inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 57cm * 32cm * 24cm / 22.44inch * 12.6inch * 9.45inch Loading Container 20GP: 609 cartons * 100 pcs = 60900 pcs40HQ: 1414 cartons * 100 pcs = 141400 pcs

Read more less

1. The design and modification are based on the shape and structure of the for Raspberry Pi. The appearance is similar to the structure of the for Raspberry Pi motherboard. The 2 x 20 expansion ports next to it have reserved pins that match the for Raspberry Pi GPIO.2. For Raspberry Pi expansion board3. TF card holder, self-elastic card holder, easy to pull out the card4. Chip: ESP32-WAROVER5. Relay: HFD3 5V 2A6. RTC: PCF85637. Type-c input: 5V8. Purpose: IoT programming development9. Power: 0.5W10. Rated voltage: 5v11. DC-DC input: 5-12V12. Extension pin header: 2.54 2 x 2013. Double-layer USB interface: I2C/UART function respectively14. Double-layer USB expansion port: output 5V/1A15. Button: RST button, custom button16. USB output: 5V 1A17. Dimensions: 99.7 x 62.5 x 31.2mmSpecification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 12cm * 8cm * 6cm / 4.72inch * 3.15inch * 2.36inch Qty per Carton 146 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 146 pcs = 25842 pcs40HQ: 412 cartons * 146 pcs = 60152 pcs

Read more less

1. Round structure, connected to mobile phone, 45-degree observation, intelligent fill light, multiple magnification options, environmentally friendly materials2. Large-size focusing handwheel, non-slip design, smooth and fast focusing3. Rotating design, easy to operate4. Built-in double light source for upper and lower points, soft light, comfortable observation5. Can connect to mobile phone to take photos and videos6. Wear-resistant, not easy to scratch, non-toxic, no odor, not easy to damage, light and convenient7. Magnification: 100/400/1200 times8. Material: ABS9. Voltage: 4.5V10. Current: about 6A11. Power: 27W12. Light source: LED light13. Power supply mode: 3 AA batteries (not included)14. Applicable age: over 8 years old15. Dimensions: 14.5 x 8.2 x 25CMSpecification: Package Weight One Package Weight 1.00kgs / 2.21lb One Package Size 29cm * 26cm * 12cm / 11.42inch * 10.24inch * 4.72inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 30 pcs = 5310 pcs40HQ: 412 cartons * 30 pcs = 12360 pcs

Read more less

1. Strong magnetic adsorption, can be attached to the desk and chair, file cabinet and other places, easy to use2. Silent work, quiet and no disturbance when recording3. Power saving, low power/no power state automatically save the recording data4. Clip design, clip in the pocket, bag, listen to music/record both5. OTG connection to Android phone can be played directly6. Support recording data file encryption, body password setting encryption, double protection to prevent data theft7. Recording files are divided and saved, set the division time in advance, and automatically save the files for quick search and analysis8. Voice-activated recording, sound recording on, no sound recording stops, saving memory and battery power9. Can be recorded while plugging in headphones to record real-time control of the recording effectParameters:1. Body material: titanium alloy one-piece casting2. Recording format: WAV3. Battery capacity: 150mAh4. USB connection: DC3.5 to USB5. Sampling rate: 48kHz6. Bit rate: 192kbps7. Recording time: 68 hours of continuous recording; standby time: 384 hours8. Size: 5.5 x 2 x 0.5cm9. Weight: 15gSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 17.00kgs / 37.48lb Carton Size 47cm * 48cm * 32cm / 18.5inch * 18.9inch * 12.6inch Loading Container 20GP: 369 cartons * 100 pcs = 36900 pcs40HQ: 857 cartons * 100 pcs = 85700 pcs

Read more less

Features: 1. Charging Sensing Coils: with upgraded 2 coils, horizontal and vertical directions are available for Qi-enabled mobile phone wireless charging.2. BT & TF Card Playback: BT5.1 ensures high data transmission speed, stable connection and lower power consumption. Also supports TF card music playback.3. LED Display and Clock: Comes with clock display and 2 alarm clock setting functions. LED digital display shows mode status, time, alarm, etc.4. Easy Operation: Easily control power on/off, pausing/playing, volume+/-, previous/next track, etc; press M button to change the audio source easily.5. Long Battery Life: Built-in rechargeable 1200mAh battery ensures up to 4 hours of music playtime; recharged via a Type-C port with the included charging cable.Specifications: 1. BT Version: 5.12. BT Range: Up to 10m (no obstacle)3. TF Card: Support Max. 32GB (NOT included)4. Loudspeaker: φ45mm x1, 4Ω, 5W5. horn: φ40mm x16. Play time: about 4 hours (Depends on the volume level)7. Charging Time: about 3 hours8. Battery Capacity: 3.7V/1200mAh Lithium Battery9. USB Port Output: DC5V 1A, 5W10. Wireless Charger Output Power: 10W, 7.5W, 5W11. Main Item Size: 16.2*12.0*10.0cm12. Main Item Weight: 360g13. Package Size: 17.2*14.7*12.5cm14. Package Weight: 509gPackage List: - Speaker x1- Charging Cable x1- User Manual (English/Chinese) x1Specification: Package Weight One Package Weight 0.60kgs / 1.32lb One Package Size 17.2cm * 15cm * 12.5cm / 6.77inch * 5.91inch * 4.92inch Qty per Carton 20 Carton Weight 11.00kgs / 24.25lb Carton Size 36cm * 61cm * 25cm / 14.17inch * 24.02inch * 9.84inch Loading Container 20GP: 485 cartons * 20 pcs = 9700 pcs40HQ: 1127 cartons * 20 pcs = 22540 pcs

Read more less

1. 18.5" LED display, 16:9, 1366 * 768 pixel resolution 2. Front dual stereo speaker audio output 3. Support SD, MMC card up to 16GB (not included) 4. Video playback supports 1920*1080P, AVI, PMP, MP4 format, audio playback supports MP3, WMA format, supports JPEG images 5. Support USB 2.0 port 6. Support image browsing using background music (MP3) function 7. Support multiple languages: Chinese, English, French, German, Italian, Spanish, Portuguese, Dutch, Polish 8. Clock, calendar, alarm clock, time switch 9. Output interface: headphone interface output 10. Control mode: manual, remote or power on auto play 11. External power supply: AC 100-240V DC 12V 1ASpecification: General Certificate EMC, LVD Package Weight One Package Weight 1.75kgs / 3.86lb One Package Size 52cm * 47cm * 10cm / 20.47inch * 18.5inch * 3.94inch Qty per Carton 5 Carton Weight 9.50kgs / 20.94lb Carton Size 54cm * 49cm * 52cm / 21.26inch * 19.29inch * 20.47inch Loading Container 20GP: 193 cartons * 5 pcs = 965 pcs40HQ: 449 cartons * 5 pcs = 2245 pcs

Read more less

1. Intuitive LED display2. Tuning modes: C (Twelve Equals), G (Guitar), B (Bass), V (Violin), UC (C ukulele), UD (D ukulele)3. Size: 5 × 3.7 × 2.7 cm4. Tuning range: A0 (27.5Hz) ~ C8 (4186Hz)5. Lightweight, compact and easy to carry6. Operating instructions: long press the key, short press to switch between various instrument modes; A4 value button (only available in G / B mode), in guitar and bass mode, press b to adjust the semitone (b, bb)Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 7cm * 6cm * 3cm / 2.76inch * 2.36inch * 1.18inch Qty per Carton 500 Carton Weight 17.00kgs / 37.48lb Carton Size 52cm * 52cm * 48cm / 20.47inch * 20.47inch * 18.9inch Loading Container 20GP: 205 cartons * 500 pcs = 102500 pcs40HQ: 476 cartons * 500 pcs = 238000 pcs

Read more less

1. Function: circuit board inspection, animal observation, plant observation, jewelry inspection2. Magnification: 1000X3. Power supply: 800 mA lithium battery4. Working environment: Android0 and IOS5. Can be controlled by mobile phone and connected to computer for use6. LED brightness adjustment button, rotate to adjust7. Dimensions: 140x100x160 mm8. Weight: 300 gramsPacking list:1. Microscope body2. Bracket3. Scale bottom plate4. Calibrate the size5. Instructions6. CD7. Charging cableSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 16cm * 12cm * 6cm / 6.3inch * 4.72inch * 2.36inch Qty per Carton 92 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 92 pcs = 16284 pcs40HQ: 412 cartons * 92 pcs = 37904 pcs

Read more less

1. APP: LABELIFEAPP2. LANGUAGE: Chinese, English, German, French, Russian3. Print resolution: 203DPI4. Printing effective width: 108mm5. Print speed: 150mm/s6. Consumable width: 20-115mm7. Connection: Micro USB/Bluetooth 4.28. Print head life: 50KM9. Tearing method: hand tearing, metal tearing knife10. Power supply: power adapter11. Power input: 24V 2.5A12. Driver support system: WIN XP/7/8/10/11, MAC 10.6 or above, CHROME OS, LINUX (CENTOS 7.0UBUNTU 12.04 ABOVE SYSTEM)Packing List:- Printer x 1- USB cable (USB-B) x 1- Power cord x 1- Adapter x 1- Instruction manual x 1- Type-C adapter x 1- 4 x 6 inch white sheet x 30Specification: Package Weight One Package Weight 2.06kgs / 4.55lb One Package Size 23cm * 18cm * 17cm / 9.06inch * 7.09inch * 6.69inch Qty per Carton 6 Carton Weight 12.40kgs / 27.34lb Carton Size 57cm * 48cm * 20cm / 22.44inch * 18.9inch * 7.87inch Loading Container 20GP: 487 cartons * 6 pcs = 2922 pcs40HQ: 1131 cartons * 6 pcs = 6786 pcs

Read more less

1. 2 million pixels, the display is clearer 2. IP66 waterproof function, you can safely soak anti-virus and anti-bacterial syrup after endoscopy 3. Rotate the tail adjustment knob to change the position of the sensor to achieve focusing 4. Adopting 1/4SMOS photosensitive chip, focusing design, lens and LED are fixed on the front of the device, 11mm in diameter and no relative movement, the light source is more stable 5. Equipped with a fixed focus head to support the stable operation of the microscope 6. Using LED lamp beads with a life of up to 100,000 hours, the brightness can be adjusted freely 7. Magnification: 1-500X 8. Material: alloy, metal 9. Long video: high compression ratio, 3.6GB/11 hours 10. Resolution: 1600*1200, 640*480, 320*240 (software optional) 11. Support system: 32-bit and 64-bit operating system, Win 7/8/XP/Vista/Mac OS/Linux 12. Main applications: nasal cavity and ear canal inspection, facial features, oral cavity inspection, skin and hair observation, vaginal cervix observation, anal hemorrhoids observation, industrial inspection circuit board inspection, etc. 13. Size: 11x126mmSpecification: Package Weight One Package Weight 0.40kgs / 0.88lb One Package Size 19cm * 13cm * 7cm / 7.48inch * 5.12inch * 2.76inch Qty per Carton 40 Carton Weight 17.70kgs / 39.02lb Carton Size 38cm * 52cm * 35cm / 14.96inch * 20.47inch * 13.78inch Loading Container 20GP: 385 cartons * 40 pcs = 15400 pcs40HQ: 895 cartons * 40 pcs = 35800 pcs

Read more less

1. Plug and play, no setup required2. 30m wireless transmission distance, stable remote signal3. High-definition image quality, compatible with HDMI1.3 standard, resolution 1920x1080P@60Hz, backward compatible4. Supports pairing of multiple transmitters and one receiver, switching transmitter signals with one click, and sharing multiple screens5. Function: No network required, supports 2.4G/5G dual-band transmission/30-meter barrier-free transmission6. Transmission distance: 30 meters7. Product size: 6.5 x 4.1 x 1.9 cmShipping list:-Launcher x 1-Receiver x 1-USB-A with Type-C cable x 2-Manual x 1Specification: Package Weight One Package Weight 0.19kgs / 0.41lb One Package Size 20cm * 10cm * 3cm / 7.87inch * 3.94inch * 1.18inch Qty per Carton 100 Carton Weight 19.10kgs / 42.11lb Carton Size 47cm * 41cm * 36cm / 18.5inch * 16.14inch * 14.17inch Loading Container 20GP: 384 cartons * 100 pcs = 38400 pcs40HQ: 892 cartons * 100 pcs = 89200 pcs

Read more less

1. Resolution: 1080P (1920x1080)2. Brightness: 260 lumens3. Power: 50W; compatible with 100-240V 50/60Hz4. Auto-calibration: Built-in high-precision sensors can automatically calibrate the four corners of the projection surface5. Dual-band Wi-Fi 6+ BT5.0, faster transmission speed and lower latency6. Environmentally friendly silicone material, wider focus ring7. Android 12.0 system, can use more than 4000 applications8. Convenient on-screen mirror to connect your phone or tablet via WiFi9. 130 inch screen projection display, 1.58 meters optimal projection distance10. Portable design, convenient for outdoor use too11. Remote control power supply: 2 x AAA batteries (not included in shipment)12. Size: 110 x 206mm13. Weight: 700gPacking list: projector, power cord, remote control, instructionsSpecification: Package Weight One Package Weight 1.00kgs / 2.21lb One Package Size 24cm * 18cm * 16cm / 9.45inch * 7.09inch * 6.3inch Qty per Carton 8 Carton Weight 9.00kgs / 19.84lb Carton Size 50cm * 38cm * 36cm / 19.69inch * 14.96inch * 14.17inch Loading Container 20GP: 389 cartons * 8 pcs = 3112 pcs40HQ: 905 cartons * 8 pcs = 7240 pcs

Read more less