Search results for "kids educational electronics"

1. Large LCD display for easy reading. 2. Measure voltage, frequency, current, power factor, wattage, minimum & maximum power and record cumulative kilowatt-hour, time and electricity expenses. 3. Seven display modes, transferred by pressing "FUNCTION". 4. Overload warning displayed on LCD. 5. Resetting for abnormal display or no-response of button. 6. Easy electricity price setting.Specification: General Material Plastic, Metal Input Voltage AC 120V Size 15.5*7.3*6.7cm Weight 185g Package Weight One Package Weight 0.23kgs / 0.51lb One Package Size 16cm * 10cm * 7cm / 6.3inch * 3.94inch * 2.76inch Qty per Carton 10 Carton Weight 3.00kgs / 6.61lb Carton Size 36cm * 29cm * 18cm / 14.17inch * 11.42inch * 7.09inch Loading Container 20GP: 1419 cartons * 10 pcs = 14190 pcs40HQ: 3294 cartons * 10 pcs = 32940 pcs

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1. Four independent charging channels: With independent charging control chip, precise control of the charging situation of each charging slot, the working power of the charger is 12V-3A, and a dedicated DC switching power supply is used2. There are four levels of charging current available for selection, 200/300/500/700/1000mA, among which, if there is only 1, 4 channels with batteries, the current levels are: 200/300/500/700/1000 / 1500/2000mA, the discharge battery can be set to 200/300/500/700/1000mA3. The discharging mode does not switch to charging, and the battery discharge capacity is displayed. In charging mode, the 4.21V charger is judged to be fully charged4. LCD screen: Can display the real-time charge/discharge capacity, voltage, current, and time of the 4 channels of batteries5. Four working modes: Charge, discharge, repair and capacity test and battery internal resistance test6. Applicable battery type: Lithium battery, model: 10440, 14500, 16340, 18500, 18650, 26650, 26500; Ni-MH battery, model: AA, AAA, C, D7. Working temperature: 0 to 40 degrees celsius8. Note: The product does not contain batteriesFunction button:1. MODE operating mode selection button2. DISPLAY display mode button3. CURRENT current adjustment button4. SLOT, can individually adjust the working mode of each channelThe specific operation method of the charger:1. Long press MODE for 2 seconds to enter the working mode to select, and then press this key to have four working modes to choose from, namely charge, discharge, repair capacity test and battery internal resistance test2. Press DISPLAY to display the charge current, battery voltage, battery power, and battery charge and discharge time respectively.3. When power on, the charger defaults to the charging mode and the charging current is 500mA4. When powering on, press CURRENT to adjust the current. When entering work, if you want to adjust the current again, you need to switch the working mode to press this key to be effective. The charge and discharge current can be adjusted.5. Press SLOT to adjust the working mode of each channel individually6. When the temperature of the battery exceeds 40 degrees when the battery is charged or the temperature of the PCB board exceeds 40 degrees, the fan will start to rotate.7. Select the capacity test working mode, the current can be the same as chargingSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 22cm * 16cm * 8cm / 8.66inch * 6.3inch * 3.15inch Qty per Carton 20 Carton Weight 15.00kgs / 33.07lb Carton Size 45cm * 33cm * 42cm / 17.72inch * 12.99inch * 16.54inch Loading Container 20GP: 427 cartons * 20 pcs = 8540 pcs40HQ: 992 cartons * 20 pcs = 19840 pcs

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Specifications1. Operating voltage: 8.0 ~ 120.0 VDC, typical value 60 VDC 2. Working power consumption: 3.0~ 5.0 mA, normal value 4.0 5.0 3. Sleep power consumption: 100~ 350 uA, normal value 300 uA 4. Battery Resolution: 0.1 % 5. Voltage resolution: 0.1 V 6. Current resolution: 0.1 Ah 7. Capacity Resolution: 0.1 A 8. Voltage accuracy: +/-0.5 % 9. Current accuracy; +/-00.5 % 10. Capacity accuracy: +/-01% % 11. Battery capacity setting: 0.1 999Ah 12. Auto sleep current value: 30~ 50 mA, normal value 40 mA 13. Auto-on current value: 30~ 80 mA, normal value 50 mA 14. Meter size; 61.3 x 33.3x 13.5 mm 15. Hole size: 58.5 x 28.5 mm 16. Operating temperature: -10~50 degree CFeatures1. GY-K1S is a high-precision battery power display meter, which accurately displays the battery power percentage, capacity, current, and voltage by means of current calculation (coulomb counter). 2. The GY-K1S coulomb meter is not limited by the type of battery. It can be used on any battery with a battery voltage of 8-120V. It can accurately grasp the working status of the battery in time; especially for loads with large current fluctuations and intermittent work. The use of high-current loads is very effective, such as various electric vehicles, sweepers, electric forklifts, and equipment with high-power motors. 3. The power is displayed by liquid crystal, which is clearer and more power-saving 4. Applicable to any battery, battery pack or device, such as lead-acid battery, water battery, Lithium batteries, lithium iron phosphate batteries, nickel-cadmium batteries, nickel-hydrogen batteries, etc. 5. Support capacity setting, support reset battery voltage value setting 6. Turn on and off the display manually, and automatically turn on and off the display when the current is detected 7. 10 seconds delay automatic sleep function, can withstand ultra-wide voltage inputSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 100 pcs = 62000 pcs40HQ: 1439 cartons * 100 pcs = 143900 pcs

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1. Distance: more than 10m2. Charging interface: Micro USB3. Appropriate button arrangement, easy to use4. With backlight function, make the buttons clearer5. 5 keys support infrares learning after successful learning,two modes coexistSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 18cm * 7cm * 3cm / 7.09inch * 2.76inch * 1.18inch Qty per Carton 100 Carton Weight 19.00kgs / 41.89lb Carton Size 36cm * 35cm * 30cm / 14.17inch * 13.78inch * 11.81inch Loading Container 20GP: 705 cartons * 100 pcs = 70500 pcs40HQ: 1637 cartons * 100 pcs = 163700 pcs

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Model: 525A Measuring range: 30-130db Frequency range:31.5hz-8.5khz Response time:fast Microphone:6mm capacitance microphone Power supply;DC5V 1A micro USB outlet Operating condition: 0-40 degree Dimension:210x130x28mm Weight: 453g Features and Functions: 1. Accuracty: + -1.5dB In Standard audio: 94dB 1 khz 2. Measurement Range: 30 - 130dB 3. Frequency Response Range: 31.5 hz - 8.5 khz 4. Frequency weighting: A (Environmental Noise) of Weighting 5. Fast answerSpecification: Package Weight One Package Weight 0.65kgs / 1.44lb One Package Size 21cm * 13cm * 3cm / 8.27inch * 5.12inch * 1.18inch Qty per Carton 20 Carton Weight 14.50kgs / 31.97lb Carton Size 62cm * 47cm * 35cm / 24.41inch * 18.5inch * 13.78inch Loading Container 20GP: 261 cartons * 20 pcs = 5220 pcs40HQ: 606 cartons * 20 pcs = 12120 pcs

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1. Material: plastic2. Select the table: manual3. Sound quality selection: mono4. Function: built-in speakers5. Signal-to-noise ratio: FM52, AM54 (dB)6. Rated voltage: 3V7. Rated power: 3W8. Rated frequency: FM 87-108MHZ; AM 520-1710KHZ (HZ)9. Coding chip type: DSP10. Radio tuning method: pointer type11. Band type: full band12. Supported format: WMA13. Battery specifications: 2 AA batteries (not included)14. FM/AM dual band radio, strong signal, high sensitivity, and clearly listen to all mainstream radio channels15. High-performance internal magnetic speaker, large-sound cavity vibrator, thorough and clear treble, pure and full midrange, stable and powerful bass16. Supports headphone output, standard 3.5mm headphone interface, which not only isolates external disturbances, but also avoids disturbing others.17. Sensitive and stable and clear, 6 44cm telescopic antenna hidden protection makes the antenna more durable18. Dimensions: 130x72x31mm19. Weight: 124 gramsSpecification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 15cm * 10cm * 6cm / 5.91inch * 3.94inch * 2.36inch Qty per Carton 45 Carton Weight 7.20kgs / 15.87lb Carton Size 47cm * 32cm * 32cm / 18.5inch * 12.6inch * 12.6inch Loading Container 20GP: 554 cartons * 45 pcs = 24930 pcs40HQ: 1286 cartons * 45 pcs = 57870 pcs

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Basic parameters:1. Working voltage: DC12V2. Working frequency: 315MHZ/433MHZ3. Contact capacity: less than or equal to 10A/250VAC, 10A/30VDC4. Receiving sensitivity: greater than -105dB5. Is there a casing: Yes6. Remote control distance: 10-30 meters (no interference in open space), this distance is the theoretical distance without interference in open space7. In use, it will be reduced according to different environmental interference and partition walls8. Number of control channels: 1 channel normally open/normally closed contactFeatures:1. Output relay switching value: It can control loads with different voltages below 250V, and the power supply must be 12V.2. Small size: small size, light weight, circuit board size is only 35x32x19mm.3. The working mode can be adjusted by the user at will: the self-locking, interlocking and inching working modes can be adjusted through the pin short circuit.4. Learning code pairing: You can learn to pair with the same frequency remote control at will (don’t worry if you lose the remote control during use, just buy the remote control and learn it, and you don’t need to replace the whole set, which greatly saves the user’s cost).Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 8cm * 6cm * 3cm / 3.15inch * 2.36inch * 1.18inch Qty per Carton 200 Carton Weight 10.00kgs / 22.05lb Carton Size 36cm * 28cm * 22cm / 14.17inch * 11.02inch * 8.66inch Loading Container 20GP: 1202 cartons * 200 pcs = 240400 pcs40HQ: 2791 cartons * 200 pcs = 558200 pcs

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1. Material: High-quality steel2. Process: ABS engineering plastics3. Calibration process: laser calibration4. Resolution: 0.001mm5. Packaging: New plastic packaging6. Size: 16x6cm7. High-definition LED screen, digital display is clearer8. Precise measurement, efficient and stable9. 3V large capacity battery, lasting power10. Mechanical laser scale, can be used without electricitySpecification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 24cm * 10cm * 5cm / 9.45inch * 3.94inch * 1.97inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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RP2040-LCD-0.96 is a low-cost, high-performance Pico-like MCU board with flexible digital interfaces. It incorporates Raspberry Pi RP2040 microcontroller chip, as same as on Raspberry Pi Pico. For software development, either Raspberry Pi C/C++ SDK, or the MicroPython is available, which makes it easy for you to get started, and integrate it into end products quickly. In additional, there are also onboard 0.96inch IPS display, Lithium battery recharge/discharge header, and high efficiency DC-DC buck-boost chip. Key features include: 1. RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom 2. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz 3. 264KB of SRAM, and 2MB of on-board Flash memory 4. USB-C connector, keeps it up to date, easier to use 5. 0.96 inch 160x80 pixels 65K colorful IPS LCD display 6. Lithium battery recharge/discharge header, suitable for mobile devices 7. Onboard DC-DC chip TPS63000, high efficiency DC-DC buck-boost chip, 1.8A current switch 8. Castellated module allows soldering direct to carrier boards (there should be dedicated cut-out for embedding the bottom components) 9. USB 1.1 with device and host support 10. Low-power sleep and dormant modes 11. Drag-and-drop programming using mass storage over USB 13. 26 x multi-function GPIO pins 14. 2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels 15. Accurate clock and timer on-chip 16. Temperature sensor 17. Accelerated floating-point libraries on-chip 18. 8 x Programmable I/O (PIO) state machines for custom peripheral supportSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 40cm * 39cm / 20.47inch * 15.75inch * 15.35inch Loading Container 20GP: 328 cartons * 500 pcs = 164000 pcs40HQ: 763 cartons * 500 pcs = 381500 pcs

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1. Large Capacity & Long-lasting Battery Life: Built-in 5000mAh battery pack provides sustained power for VR devices, enabling long immersive gaming sessions and eliminating battery anxiety.2. Convenient Fast Charging Design: Fully charges in approximately 2 hours, supports pass-through charging while in use. Its compact, portable form factor does not interfere with VR wearing comfort, and it features multiple safety protections (charging protection, overcurrent protection, overvoltage protection, short-circuit protection).3. Immersive RGB Lighting Effects: Equipped with a 360 degrees circular RGB breathing light, which can be controlled via a dedicated button, adding a futuristic and atmospheric touch to enhance the visual experience of your VR setup. (This feature is limited to the A8.)4. User-friendly Interface & Accessories: Features a 90 degrees angled USB-C output to prevent cable bending and interference during wear. It also includes a USB-C input port, battery level indicators, and a combined power/lighting control button for intuitive operation.5. Lightweight & Wide Compatibility: The compact, portable design is specifically tailored for VR headsets, offering a lightweight build and secure fit that is compatible with most mainstream VR models, without adding extra burden to the wearer.Specification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 11cm * 5cm * 5cm / 4.33inch * 1.97inch * 1.97inch Qty per Carton 100 Carton Weight 18.00kgs / 39.68lb Carton Size 44cm * 25cm * 25cm / 17.32inch * 9.84inch * 9.84inch Loading Container 20GP: 969 cartons * 100 pcs = 96900 pcs40HQ: 2251 cartons * 100 pcs = 225100 pcs

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1. Material: plastic2. Select the table: manual3. Sound quality selection: mono4. Function: built-in speakers5. Signal-to-noise ratio: FM52, AM54 (dB)6. Rated voltage: 3V7. Rated power: 2.5W8. Corresponding frequency: FM 87-108MHz; SW 4.75-21.85MHz; AM 522-1620KHz (European regulations, applicable in China); 520-1710KHz (US regulations)9. Coding chip type: pcba10. Radio tuning method: pointer type11. Band type: full band12. Supported format: MP313. Battery specifications: 2 AA batteries (not included)14. FM/AM/SW multi-band radio, strong signal, high sensitivity, and clearly listen to all mainstream radio channels.15. High-performance internal magnetic speaker, large-sound cavity vibrator, thorough and clear treble, pure and full midrange, stable and powerful bass16. Supports headphone output, standard 3.5mm headphone interface, which not only isolates external disturbances, but also avoids disturbing others.17. Sensitive and stable and clear, antenna more durable18. Digital display band, frequency, time and other information, the backlight will automatically light up during operation, saving power and durability19. Path exploration lighting, home emergency or outdoor adventure, more guarantee20. Dimensions: 135x71x33mm21. Weight: 125gSpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 16cm * 10cm * 6cm / 6.3inch * 3.94inch * 2.36inch Qty per Carton 45 Carton Weight 7.20kgs / 15.87lb Carton Size 50cm * 32cm * 32cm / 19.69inch * 12.6inch * 12.6inch Loading Container 20GP: 520 cartons * 45 pcs = 23400 pcs40HQ: 1209 cartons * 45 pcs = 54405 pcs

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1. Mainly used to test various battery voltage, discharge current, discharge power, discharge impedance, internal resistance, capacity, discharge energy, power consumption and running time, and display the measurement data through the LCD screen.2. Voltage:- Measuring range: 0-200V. (When the test voltage is less than 8V, please use the independent power supply method)- Display format: less than 10V display such as: 9.99VBelow 100V such as: 99.9VMore than 100V display such as: 199V- Minimum resolution: 0.01V-Start test voltage: 0.05V- Measurement accuracy: 1%3. Current:- Measuring range: 0-10A (Model: PZEM-013)0-300A (Model: PZEM-015)- Display format: less than 1A display as: 999mALess than 10A is displayed as: 9.99aLess than 100A is displayed as: 99.9AGreater than or equal to 100A is displayed as: 199A- Minimum resolution: 1mA-Initial test current: 10mA (Model: PZEM-013)20mA (Model: PZEM-015)- Measurement accuracy: 1%4. Power:- Measuring range: 0-2000W (Model: PZEM-013)0-60000W (Model: PZEM-015).-Display format: less than 10W display as: 9.99WLess than 100W displayed as: 99.9WLess than 1000W displayed as: 999WLess than 10000W display as: 9.99kWGreater than or equal to 10000W displayed as: 19.9kw- Minimum resolution: 0.01W-Initial test power: 0.1W (Model: PZEM-013)0.2W (Model: PZEM-015)- Measurement accuracy: 1%5. Impedance:- Measuring range: 0-1000Ohm- Display format: less than 100Ohm displayed as: 99.9OhmGreater than or equal to 100Ohm displayed as: 999ohmWhen the test range is exceeded or the current is zero, "---" is displayed.- Minimum resolution: 0.1ohm- Measurement accuracy: 1%6. Internal resistance:- Measuring range: 0-999Milliohm-Display format: 999Milliohm When the test range is exceeded or the current is zero, "---" is displayed.- Minimum resolution: 1Milliohm- Measurement accuracy: 1%Note: Before testing the internal resistance, you need to preset the full voltage according to the battery type, and you can test it after it is fully charged; if it is not fully charged, you can set the no-load battery to the full voltage, and then test it; the internal resistance is not a fixed value, the more the battery is discharged, the more The more, the higher the resistance.7. Capacity:- Measuring range: 0-1000Ah- Display format: less than 1AH is: 999mAHLess than 10Ah displayed as: 9.99 AhLess than 100AH ??is displayed as: 99.9ahLess than 1000AH is displayed as: 999AH- Minimum resolution: 1mAH- Measurement accuracy: 1%8. The discharge energy is represented by the battery symbol, with a total of 10 grids, and each grid represents 10% of the power.9. Energy- Measuring range: 0-9999kWh-Display format: less than 1kWh display as: 999WhLess than 10kWh displayed as: 9.99kwhLess than 100kWh is displayed as: 99.99kwhLess than 1000kWh is displayed as: 999.99kWhGreater than or equal to 1000kWh displayed as: 9999kWhReturn to zero on overflow- Minimum resolution: 1Wh- Measurement accuracy: 1%Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 242 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 242 pcs = 42834 pcs40HQ: 412 cartons * 242 pcs = 99704 pcs

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