Search results for "school electronics"

1. Display: 1.44 inch color LCD display2. Voltage measurement range: 4-24.00V3. Voltage measurement resolution: 0.01V4. Current measurement range: 0-4.000A5. Current measurement resolution: 0.001A6. Capacity accumulation range: 0-99999mAh7. Voltage measurement accuracy: +/- (0.2% + 1 digit)8. Energy storage range: 0-99999mWh-999.99Wh9. Current measurement accuracy: +/- (0.8% + 3 digits)10. Load impedance range: 0.8ohm-9999.9ohm11. Time measurement range: 0-99h 59min 59s12. Temperature range: -10 degrees Celsius ~ 100 degrees Celsius13. Temperature measurement error: +/- 3 degrees Celsius14. Screen brightness setting: 0-5 level15. Delayed shutdown time: 0-9 minutes16. Voltage graphic range: 4-24.00V17. Current graph range: 0-4.000A18. Product weight: 22.87g (UM34C) /18.39g (UM34) (no packaging); 51.43g (UM34C) /46.95g (UM34) (including packaging)19. Refresh rate: 2Hz20. Dimensions: 71.2mmx30.5mmx12.4mm (UM34C) /71.2mmx30.5mmx11.3mm (UM34)21. Fast charging recognition mode: QC2.0, QC3.0, APPLE 2.4A / 2.1A / 1A / 0.5A, Android DCP, SAMSUNG22. USB port: USB 3.0 port, support OPPO mobile phone VOOC, OnePlus DASH23. File download method:- Download link of user manual and Android APP: http://www.mediafire.com/folder/5c877rc21tp1p/UM34- IOS OS: Search for the UM table in the iOS APP store to download- Android APP: Search UM meters on GooglePlay to download24. Note:- UM34C Type-C port is only used to measure Type-C cable, and does not support all Type-C fast chargers and PD chargers; and there is no type C trigger.- UM34 is not a communication version, and it does not support any communication between PC and telephone in any way. - UM34C is the communication version connected via Bluetooth. And UM34C has no PC software, only Android APP. (The mobile phone android system of some brands is a customized system, and our APP is not compatible, such as for Xiaomi, Nokia and other brands, so please download and test before buying, and purchase carefully)- Mobile APP (Android 5.0 and higher, and IOS 8 and higher. Support 18 languages, Chinese, English and Russian ...)- There are some incompatibility problems between some Android phones and our Bluetooth board, please buy carefully, such as for samsung NOTE8 / S825. For Android and IOS APP:A: The APP only supports android 5.0 and higher and IOS 8 and higher.B: Allow APP to run in the background without cleaning.C: Allow APP to start automatically.D: After the screen is locked, the APP is allowed to stay without cleaning.Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 468 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 468 pcs = 82836 pcs40HQ: 412 cartons * 468 pcs = 192816 pcs

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1. Sampling rate: 5MS/s2. Bandwidth: 1M3. Vertical sensitivity: 10mV/Div~10V/Div4. Time base range: 500ns~20S5. Waveform pause: supported6. Trigger mode: With complete trigger function (single, normal, automatic), it can be used freely for both periodic analog signals and non-periodic digital signals7. Voltage range: Can measure 400V voltage signal8. Calibration square wave: Comes with 1KHz calibration square wave, easy and convenient probe calibration9. Frequency: 0-10KHz10. Amplitude: 0.1~3.3V11. Coupling mode: AC/DC12. Display: 2.8 inches/PPI 320x24013. USB charging: 5V/1A14. Lithium battery capacity: 1000mAh15. Waveform: sine wave, rectangular wave, sawtooth wave, half wave, full wave, positive step wave, reverse step wave, noise wave, exponential rise, exponential fall, DC signal, multi-audio, Sink pulse, Lorentz wave16. Automatically shut down after a certain period of no operation, saving energy and extending service life17. Suitable for use in a variety of occasions, lightweight and space-saving, can be carried with you for work, maintenance and DIY tools18. Highly sensitive buttons, super simple and easy to understand operation experience19. Type-C port, supports firmware upgrades and charging20. Standard configuration, upgrade comparison: host, basic accessories are the same, the upgrade is more than the standard configuration, a P6100 probe (10x probe) + adapter21. Size: 99x68.3x19.5mm22. Weight: 100gSpecification: Package Weight One Package Weight 0.18kgs / 0.40lb One Package Size 16cm * 10cm * 5cm / 6.3inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 18.50kgs / 40.79lb Carton Size 47cm * 44cm * 28cm / 18.5inch * 17.32inch * 11.02inch Loading Container 20GP: 460 cartons * 100 pcs = 46000 pcs40HQ: 1069 cartons * 100 pcs = 106900 pcs

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1. Radio frequency detection: Wireless, Bluetooth, radio equipment, 5G signals and radio frequency2. Three types of alarm prompts: sound, light and display. The large screen is clearer and more understandable3. Built-in high-precision electromagnetic radiation sensor. The micro-control chip processor can quickly and accurately measure the electromagnetic radiation value4. Wear-resistant felt, protecting the machine5. Anti-slip design, not easy to fall off6. Comfortable touch, soft rubber buttons Parameters:1. Sensitivity: EF (Electric Field): 1V/m; MF (Magnetic Field): 0.1mG or 0.01u; TRF (Radio Frequency): 0.01mW/square meter2. Measurement range: EF: 1 - 1999V/m; MF: 0.1 - 999.9mG or 0.01 - 99.99uT; RF: 0.01 - 19.99mW/square meter3. Measurement accuracy: ±5%4. Measurement bandwidth: 50Hz - 3500MHz5. Automatic shutdown: default 15 minutes, can be disabled6. Operating temperature and humidity: -10 - +60℃; humidity: Less than 80%RH7. Power supply method: 1 battery of 9V (not included)8. Size: about 14.7 x 6.85 x 2.8cm9. Weight: about 132gSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 17cm * 9cm * 5cm / 6.69inch * 3.54inch * 1.97inch Qty per Carton 60 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 36cm * 32cm / 18.5inch * 14.17inch * 12.6inch Loading Container 20GP: 492 cartons * 60 pcs = 29520 pcs40HQ: 1143 cartons * 60 pcs = 68580 pcs

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Rolton K300 Portable Voice Amplifier with FM & MP3 Compact 5W portable voice amplifier with FM radio, MP3 playback, rechargeable battery and a wired headset microphone for convenient mobile use. The K300 combines voice amplification, music playback and mobile-power functionality in a lightweight body. Auto Rotation 📸 More Product Photos 📦 Package Details Package weight: 0.37kgPackage size: 13 × 10 × 5cmSelected variant: Black 🔧 Key Specifications Output power: 5WBattery: 2200mAh lithiumWorking voltage: DC 3.7VCharging voltage: DC 5VSpeaker: 2.5-inch × 1Audio: MP3 / WMA / WAVDimensions: about 86 × 39 × 117mmWeight: about 249g ⭐ MIRA SALES TIP Choose the colour variant carefully and fully charge the unit before extended use. ✅ Key Benefits • 5W portable amplification• FM radio support• MP3/WMA/WAV playback• Rechargeable battery• Wired headset microphone included

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1. High Quality Printing: Pocket mini printer contains high quality pocket thermal print head, low power consumption, built-in 1000mAH lithium battery, and the printing resolution is 200dpi.2. Cute and Portable: The printer is a cute cat with a light and portable appearance. The inkless pocket printer is very convenient to hang around your neck or carry in your pocket. It is also an ideal gift for kids.3. Multifunctional Application: The pocket thermal printer is connected with the mobile phone via Bluetooth, which can support photo printing, graphics and text editing and printing, etc., and can print pictures, receipts, notes, lists, messages, QR codes, etc. It is suitable for Android and iOS systems.4. Use: The sticker maker is suitable for printing black and white photos, memos, records, home, school, office and other application themes, suitable for students, children, teachers, manual teaching, work plans, shopping lists, etc.5. Easy to Use: The thermal printer uses thermal printing paper. Open the cover, put the printing paper directly and start printing. Manage and edit through APP, one-click printing is very convenient.6. Language: The current APP version supports these languages: Chinese, Traditional Chinese, English, Korean, French, Spanish, Thai, Arabic, Russian, German, Italian, Portuguese, Vietnamese, Greek, Japanese7. APP: FunprintSpecifications:1. Material: ABS2. Printing medium: Thermal paper3. Charging interface: Micro USB4. Power source: USB charging / battery powered5. Built-in battery: 1000mAh lithium battery6. Network printing: Support7. Double-sided printing: Not supported8. Printing format: 5.7x2.5 cm9. Dimensions: 11x8x3.5 cm10. Net weight: 160 gramsSpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 50 Carton Weight 16.50kgs / 36.38lb Carton Size 56cm * 25cm * 33cm / 22.05inch * 9.84inch * 12.99inch Loading Container 20GP: 577 cartons * 50 pcs = 28850 pcs40HQ: 1339 cartons * 50 pcs = 66950 pcs

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Device & System SupportRaspberry Pi 1. Support Raspbian, 5-points touch, driver free 2. Support Ubuntu / Kali / WIN10 IoT, single point touch, driver free 3. Support Retropie, driver free 4. Support all versions of Raspberry Pi PC Support Windows 10 / 8.1 / 8 / 7, 5-points touch, driverTouch Control1. Up to 5-points touch, depending on the operating system. 2. Up to 6H hardness toughened glass panel.Package List1. 5 inch HDMI LCD (H) V4 x1 2. HDMI cable x1 3. HDMI to Micro HDMI Adapter x1 4. USB type A plug to micro B plug cable x1 5. RPi screws pack (4pcs) x1Specification: Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 100 Carton Weight 28.50kgs / 62.83lb Carton Size 52cm * 50cm * 32cm / 20.47inch * 19.69inch * 12.6inch Loading Container 20GP: 320 cartons * 100 pcs = 32000 pcs40HQ: 744 cartons * 100 pcs = 74400 pcs

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1. Material: ABS2. Monochrome LCD display3. Built-in hi-fi speaker for external sound4. USB2.0 transfer rate5. Belt clip type case for easy portability6. Support external 12V power supply, support external one tweeter and one woofer7. Built-in 100-300m powerful remote control function8. Built-in detachable lithium battery with large capacity of 1800mAh, can play continuously for about 15 hours9. Up to 110 kinds of bird sounds10. Remote control using one 23A 12V battery (not included)11. Weight: about 200g12. Size: 100x60x23mm13. Accessories: charger, USB cable, manual, boxSpecification: Package Weight One Package Weight 0.30kgs / 0.66lb One Package Size 14cm * 9cm * 8cm / 5.51inch * 3.54inch * 3.15inch Qty per Carton 106 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 106 pcs = 18762 pcs40HQ: 412 cartons * 106 pcs = 43672 pcs

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Functional characteristicsElectromagnetic radiation detector has the following characteristics1. Two uses of a detector, simultaneous detection of electric and magnetic field radiation.2. Color screen display.3. Sound and light alarm, automatic alarm4. One data is locked. Press one button to lock the radiation value.5.LCD graphic display radiation value trendSpecification: Package Weight One Package Weight 0.27kgs / 0.59lb One Package Size 18cm * 12.5cm * 5.4cm / 7.09inch * 4.92inch * 2.13inch Qty per Carton 70 Carton Weight 15.00kgs / 33.07lb Carton Size 70cm * 49cm * 21cm / 27.56inch * 19.29inch * 8.27inch Loading Container 20GP: 370 cartons * 70 pcs = 25900 pcs40HQ: 859 cartons * 70 pcs = 60130 pcs

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1. RP2350B microcontroller chip designed for Raspberry Pi2. Unique dual-core, dual-architecture design featuring dual-core ARM Cortex-M33 processors and dual-core Hazard3 RISC-V processors, each clocked at up to 150MHz, enabling flexible switching between architectures3. Integrated 520KB SRAM, 16MB on-chip Flash, and 2MB PSRAM4. Features a Type-C interface for reversible plugging5. Onboard 7-inch capacitive LCD display with 800 × 480 resolution and 65K colors6. Supports I2C interface for capacitive touch control, 5-point touch, with interrupt support (touch version only)7. Onboard interfaces include Sensor, CAN, RS485, I2C, and UART8. USB 1.1 host and device support9. Supports low-power sleep and hibernation modes10. USB mass storage mode for drag-and-drop program downloads11. Precise on-chip clock and timers12. Built-in temperature sensor for real-time chip temperature monitoring13. 12 programmable I/O (PIO) state machines for custom peripheral supportPackage contents:- Display x 1- HY2.0 2-pin to male DuPont connector 2-pin about 10cm x 2- HY2.0 3-pin to male DuPont connector 3-pin about 10cm x 1- HY2.0 4-pin to male DuPont connector 4-pin about 10cm x 2- Screw set x 1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 20cm * 14cm * 4cm / 7.87inch * 5.51inch * 1.57inch Qty per Carton 36 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 38cm * 30cm / 16.54inch * 14.96inch * 11.81inch Loading Container 20GP: 556 cartons * 36 pcs = 20016 pcs40HQ: 1292 cartons * 36 pcs = 46512 pcs

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1. High resolution display (1920*1080) 2. Support for ps4 & xbox & switch and other games displays 3. Built-in stereo speaker 4. With 3.5mm headphone jack and HDMI jack. 5. Support HDRSpecification: Package Weight One Package Weight 1.59kgs / 3.50lb One Package Size 44cm * 27cm * 8cm / 17.32inch * 10.63inch * 3.15inch Qty per Carton 4 Carton Weight 7.30kgs / 16.09lb Carton Size 46cm * 29cm * 34cm / 18.11inch * 11.42inch * 13.39inch Loading Container 20GP: 587 cartons * 4 pcs = 2348 pcs40HQ: 1364 cartons * 4 pcs = 5456 pcs

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1. Full color screen graphics display2. Infrared decoding, automatic calibration3. Power mode: rechargeable lithium battery4. One-key operation, automatic detection and shutdown, you can also press the multi-function key to turn off the detector5. It can measure triode, diode, resistance, capacitance, inductance, thyristor, field effect tube, voltage regulator tube, double diode, light emitting diode, etc.6. After the detection is completed, point the infrared remote control at the "IR" light and press the button on the remote control. If the detector decodes successfully, the data code and infrared waveform will be displayed7. Place the pin of the component in the corresponding area, and then turn the small handle, the detector will automatically test, and the result will be clearly displayed on the backlit TFT screen8. Display: 3.5 inch TFT screen9. Battery: 0.1-4.5V10. Resistance: 0.01-50Mohms11. Capacitance: 25pF-100mF12. Inductance: 0.01mH-20H13. Diode range: Less than 4.5V14. Triac range: IGT less than 6mA15. Zener diode detection area: 0.01-30V16. Size: 8.8 x 8 x 2.8cm17. Weight: 111.5gSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 80 Carton Weight 10.00kgs / 22.05lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 80 pcs = 41600 pcs40HQ: 1209 cartons * 80 pcs = 96720 pcs

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1. 5V relay module2. It can be used as a single-chip development board module, and can be used as a home appliance control3. 5V-12V TTL control signal4. Control DC or AC signal, can control 220V AC load5. There is a normally open and a normally closed contact6. Has a power indicator7. There is a control indicator light, which is bright when closing, but not bright when disconnecting8. Transistor drive increases the relay coil, and the control pin is high impedance9. The control pin has a pull-down circuit to prevent the false action of the floating relaySpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 100 pcs = 56600 pcs40HQ: 1314 cartons * 100 pcs = 131400 pcs

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