Search results for "kids educational electronics"

Features:1. Stable performance: Built-in industrial microcontroller, it can run stably in cold, high temperature and humid environment.2. The 12V/24V voltage can be automatically identified and intelligentized, providing more convenience for your life.3. Large LCD display: to ensure simple and intuitive operation.4. Dual USB output: easily connect to the mobile phone, you can quickly and powerfully charge the mobile phone.5. Comprehensive protection: provide overcharge, overdischarge, overload protection and short circuit and reverse connection protection.6. Wide load work: easy to apply to different types of street lights and monitoring equipment.7. Wide range of applications: used for solar green light, solar billboards, solar insecticidal lights, solar power systems, ship solar power systems, solar power systems, etc.parameter:1. Rated charging current: 30A 40A 50A 60A2. Rated load current: 30A 40A 50A 60A3. Working voltage: 12V / 24V4. Floating charging voltage: 13.8V / 27.6V (adjustable)5. Undervoltage protection: 10.7V / 21.4V (adjustable)6. Charger controller specification charging method: 3 kinds7. Working temperature: 35-60 degrees Celsius8. Storage temperature: 40 -70 degrees CelsiusSpecification: Package Weight One Package Weight 0.37kgs / 0.81lb One Package Size 19cm * 11cm * 5cm / 7.48inch * 4.33inch * 1.97inch Qty per Carton 78 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 78 pcs = 13806 pcs40HQ: 412 cartons * 78 pcs = 32136 pcs

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Features1. Plug & play: Easy to use, switch on and plug in the receiver to connect automatically. The cell phone microphone has a mini body, it is an easy clip-on mic and enhances personal privacy protection, portable storage bag allows you to take it anywhere. This clip-on mic is a tailored gift for whom loves live stream, vlogging, recording video, etc. 2. Compatible Android devices: Wireless lapel microphone compatible for Android Phone/ Tablet with USB Type-C port (Support OTG function). 3. Performance wireless system: The transmission mic built in rechargeable battery. 20M/65Ft Barrier-free connection, 360 degree omnidirectional sound reception, recording every detail. 4. Real-time auto-sync technology: The wireless mic supports multi-channel real-time mixing, it can synchronize the background music for phone and human voice in real time, reduce the video post-editing, offers professional full band audio. 5. Support phone charging: The receiver with input charging interface, support phone chargingSpecificationsPerformance parameters: 1. Chip: Professional 2.4GHz wireless microphone chip 2. Microphone Sensitivity: -38dbm 3. Normal mode recording sample rate: 44.1K 4. Noise reduction mode recording sampling rate: 32K 5. Transmit power(MAX): 10dbm 6. Indoor barrier-free straight distance: 15-20 meters 7. Outdoor barrier-free straight distance: About 10 meters 8. Charging port: Type-C 9. Material: ABS The working current parameters of the transmitter (TX): 1. Battery capacity: 70mAh (LIR1254) 2. Power off power consumption: 2.6uA 3. Power consumption: 4mA (Power on no pairing with the receiver ) 4. Power consumption: 10mA (Power on and pairing with the receiver) 5. Power consumption: 6mA(Entering silent mode ) 6. Charging current: 70mA The working current parameters of the transmitter (RX): - Power consumption: 16mA(Plug-in phone)Specification: General Certificate CE, MSDS, ROHS, UL, CCC, EMC Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 8cm * 4.5cm / 5.91inch * 3.15inch * 1.77inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 49cm * 39cm * 45cm / 19.29inch * 15.35inch * 17.72inch Loading Container 20GP: 310 cartons * 100 pcs = 31000 pcs40HQ: 719 cartons * 100 pcs = 71900 pcs

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This non-contact tachometer is a professional and practical motor speed meter to measure the revolutions per minute(RPM) with wide measuring range and high resolution. Its featured with high accuracy measurement, quick measuring time and long detecting distance up to 500mm(20 inch) with laser. This tachometer is very easy to use by applying a reflective tape(included 3 in package) on target object, then aim at the mark by laser beam. This tachometer has wide range of applications, such as measuring rotating speed of machine, motors, wheels, lathe for metal or wood cutting work, electrical fan, paper making, plastic industry, chemical fiber, washing machines, car making etc.Specification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 20cm * 15.5cm * 5.5cm / 7.87inch * 6.1inch * 2.17inch Qty per Carton 40 Carton Weight 15.00kgs / 33.07lb Carton Size 67cm * 52cm * 18cm / 26.38inch * 20.47inch * 7.09inch Loading Container 20GP: 425 cartons * 40 pcs = 17000 pcs40HQ: 987 cartons * 40 pcs = 39480 pcs

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1. This lavalier wireless microphone adopts 2.4G wireless international common frequency band, with fast connection speed, high signal stability, less interference and short audio delay.2. The transmitter and receiver can transmit up to 120 meters (393 feet) without obstacles3. The lapel microphone is equipped with a 3-in-1 universal receiver, no need to replace multiple separate interfaces or interface cables. It is compatible with iPhones, iPads, Android phones, DSLR cameras, laptops, and many other devices.4. The lavalier microphone adopts noise reduction technology, which helps to minimize ambient sound and improve audio quality, whether you are shooting Vlogs, recording podcasts, giving speeches or conducting interviews, it can bring you clear audio effects.5. With dual wireless microphones, multiple peoples voices can be recorded at the same time. This is a handy feature for those who need to capture high-quality audio on multiple devices simultaneously, such as during interviews or live performances.6. Plug and play, easy to use, open and plug in the receiver to connect automatically, the real-time monitoring function allows users to directly monitor the audio being recorded through the earphones to ensure accurate and clear recording.Mini body design, lavalier microphone, easy to carry and use.Specification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 25cm * 20cm * 3cm / 9.84inch * 7.87inch * 1.18inch Qty per Carton 100 Carton Weight 9.00kgs / 19.84lb Carton Size 60cm * 60cm * 30cm / 23.62inch * 23.62inch * 11.81inch Loading Container 20GP: 246 cartons * 100 pcs = 24600 pcs40HQ: 573 cartons * 100 pcs = 57300 pcs

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1. No need to write Ethernet underlying code to implement TCP/IP protocol stack2. Support sleep mode and wake-up on LAN, internal integrated 32K bytes on-chip buffer for Ethernet packet processing3. Support 10/100MBPS transfer rate4. Support 8 independent ports working at the same time5. The module supports 5V or 3. 3V power supply, which is convenient for users to use in different SCM systems6. The communication method between the module and the microcontroller is SPI protocol, which supports speeds up to 80MHz7. If you use the 5500 Ethernet module, you only need some simple Socket programming to realize the Ethernet application8. Support protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE9. We provide users with the source code of the routines based on the 51 single-chip microcomputer and ISTM32 single-chip microcomputer in the "client", "server" and "UDP" three working modes, as well as a detailed manual10. Chip model: W550011. Input voltage: 3.3-5v12. Size: about 55 x 28mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 pcs

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B016 – 6 Input 1 Output Audio Signal Source Selection Switcher, Output Volume Adjustment Control RCA PortProduct description:6-channel stereo audio signal selection switcher with output volume adjustment function,The product adopts passive design, direct insertion, and has lossless switched transmission of input and output signals,The product is mainly used to select and switch among a variety of stereo signal input and output through a common set of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player, need to be output on the amplifier or on active speakers,The 6-channel audio signal selection switcher solves complicated line plug in and plug out, which uniformly connects device input signal sources to the switcher for easily selection.The product uses standard RCA port design for input and output, and uses precise 6-level manual switch design for the switcher, with independent stereo volume adjustment control.Product parameters:Power supply: passive design, direct insertionMaterial: all-metal caseInput and output impedance: 10KΩ - 50KΩFrequency response: 20 – 20kHzDistortion: <0.002%Insertion loss: <0.01dBSignal gain: 0dBSignal to noise ratio S/N: >98dBInput port: standard RCA portOutput port: standard RCA portNumber of input channels: 6-channel stereo input signal sourcesNumber of output channels: 1-channel stereo outputControl switch: 6-level precise manual selection switchSwitching channel: 6 channelsNet weight: 0.25 kgGross weight with packaging: 0.35 kgProduct size: length 113 mm X width 50 mm X height 38mmPackaging size: length 185mm X width 135mm X height 65mmKit list:1 X 6 input 1 output stereo audio signal selection switcher, output volume adjustment RCA portSpecification: Package Weight One Package Weight 0.36kgs / 0.79lb One Package Size 18.5cm * 13.5cm * 6.5cm / 7.28inch * 5.31inch * 2.56inch Qty per Carton 84 Carton Weight 30.00kgs / 66.14lb Carton Size 81cm * 59cm * 28cm / 31.89inch * 23.23inch * 11.02inch Loading Container 20GP: 199 cartons * 84 pcs = 16716 pcs40HQ: 462 cartons * 84 pcs = 38808 pcs

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B026 – 6 Input 2 Output Or 2 Input 6 Output Audio Signal Source Selection Switcher RCA PortProduct description:6 input 2 output or 2 output 6 input stereo audio signal selection switcher, with RCA port designThe produce adopts passive design, with direct insertion, and has lossless switched transmission of input and output signals,The product is mainly used to select and switch among a variety of stereo signal input and output through a common set or multiple sets of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player, need to be output on the amplifier or on active speakers,The 6-channel audio signal selection switcher solves complicated line plug in and plug out, which uniformly connects device input signal sources to the switcher for easily selection.The product uses standard RCA port design for input and output, and uses precise 6-level and 2-level manual switch design for the switcher, Product parameters:Power supply: passive design, direct insertionMaterial: all-metal caseInput and output impedance: 10KΩ - 50KΩFrequency response: 20 – 20 kHzDistortion: <0.002%Insertion loss: <0.01dBSignal gain: 0dBSignal to noise ratio S/N: >98dBInput port: standard RCA portOutput port: standard RCA portNumber of input channels: 6-channel stereo input (reverse 6-channel switched output)Number of output channels: 2-channel stereo output (reverse 2-channel switched input)Control switch: 6-level and 2-level precise manual selection switchInput switching channel: 6 channelsOutput switching channel: 2 channelsNet weight: 0.26 kgGross weight with packaging: 0.37 kgProduct size: length 122 mm X width 50 mm X height 38 mmPackaging size: length 185mm X width 135mm X height 65mmKit list: 1 X 6 input 2 output or 2 input 6 output stereo audio signal selection switcher RCA portSpecification: Package Weight One Package Weight 0.37kgs / 0.82lb One Package Size 18.5cm * 13.5cm * 6.5cm / 7.28inch * 5.31inch * 2.56inch Qty per Carton 40 Carton Weight 15.00kgs / 33.07lb Carton Size 66cm * 38cm * 28cm / 25.98inch * 14.96inch * 11.02inch Loading Container 20GP: 379 cartons * 40 pcs = 15160 pcs40HQ: 881 cartons * 40 pcs = 35240 pcs

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B017 – 6 Input 1 Output Audio Signal Selection Switcher Output Volume Adjustment Control 3.5mm InterfaceProduct description:6-channel stereo audio signal selection switcher with output volume adjustment function,The product adopts passive design, direct insertion, and has lossless switched transmission of input and output signals,The product is mainly used to select and switch among a variety of stereo signal input and output through a common set of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player, need to be output on the amplifier or on active speakers,The 6-channel audio signal selection switcher solves complicated line plug in and plug out, which uniformly connects device input signal sources to the switcher for easily selection.The product uses standard 3.5mm interface design for input and output, and uses precise 6-level manual switch design for the switcher, with independent stereo volume adjustment control.Product parameters:Power supply: passive design, direct insertionMaterial: all-metal caseInput and output impedance: 10KΩ - 50KΩFrequency response: 20 – 20kHzDistortion: <0.002%Insertion loss: <0.01dBSignal gain: 0dBSignal to noise ratio S/N: >98dBInput port: standard 3.5mm interfaceOutput port: standard 3.5mm interfaceNumber of input channels: 6-channel stereo input signal sourcesNumber of output channels: 1-channel stereo outputControl switch: 6-level precise manual selection switchSwitching channel: 6 channelsNet weight: 0.26 kgGross weight with packaging: 0.36 kgProduct size: length 109mm X width 54 mm X height 40 mmPackaging size: length 185mm X width 135mm X height 65mmKit list:1 X 6 input 1 output stereo audio signal selection switcher output volume adjustment 3.5mm interfaceSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 18.5cm * 13.5cm * 6.5cm / 7.28inch * 5.31inch * 2.56inch Qty per Carton 82 Carton Weight 30.00kgs / 66.14lb Carton Size 80cm * 58cm * 28cm / 31.5inch * 22.83inch * 11.02inch Loading Container 20GP: 205 cartons * 82 pcs = 16810 pcs40HQ: 476 cartons * 82 pcs = 39032 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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Features1. Active sound collection technology for high sound quality 2. Made of high quality material, shockproof and durable 3. USB-C / Type-C interface, no need to drive, strong compatibility 4. Play and plug 5. Can be rotated 90 degrees to meet different needs Specification1. Microphone core type: electret condenser microphone 2. Frequency range: 50-16000HZ 3. High-quality sensitivity: -22dB+/-3dB (0dB=1Pa) 4. Directivity: omnidirectional 5. Signal-to-noise ratio: greater than 60DBSPL 6. Impedance: less than 2.2K Ohm 7. Material: aluminum alloy 8. Process: CNCPackage listP3 mobile phone microphone x 1 Rabbit fur windshield x 1 Sponge windshield x 1NoteSet reminder: Not applicable to sports cameras. It is not supported for samsung series phones. Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 8.5cm * 6.5cm * 2.5cm / 3.35inch * 2.56inch * 0.98inch Qty per Carton 300 Carton Weight 10.36kgs / 22.84lb Carton Size 47cm * 32cm * 40cm / 18.5inch * 12.6inch * 15.75inch Loading Container 20GP: 443 cartons * 300 pcs = 132900 pcs40HQ: 1029 cartons * 300 pcs = 308700 pcs

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1. PF8 is a noise reduction cylinder designed and processed by noise reduction sponge. The noise reduction sponge absorbs and reflects the surrounding noise, which can isolate your microphone in a quiet recording space.2. Not only can reduce the reflection of indoor recording sound, but also effectively reduce the interference of outdoor wind and environmental noise to human voice recording3. Five-sided sealing design, effectively reduce noise in different directions4. Good noise reduction, light weight, can be easily installed on different desktop small tripods, floor stands, and cantilever brackets5. Mountable microphone shell diameter: 45mm-60mm/1.77-2.36 inches6. Product size: 200 x 180 x 130mm7. Net weight: 150 grams8. Note: The product only includes the windscreen, not the microphone and standSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 19cm * 23cm * 22cm / 7.48inch * 9.06inch * 8.66inch Qty per Carton 2 Carton Weight 2.00kgs / 4.41lb Carton Size 40cm * 25cm * 24cm / 15.75inch * 9.84inch * 9.45inch Loading Container 20GP: 1111 cartons * 2 pcs = 2222 pcs40HQ: 2579 cartons * 2 pcs = 5158 pcs

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1. Power supply: 9-24V2. Communication interface: RS485 port x 1, Ethernet port x 13. Baud rate: 300-115200 bps4. Data bits: 5-9 bits5. Configuration: host, web browser, device management function library6. Communication method: TCP/IP direct communication, VCOM7. Working temperature: -40 degrees to 85 degrees8. Main function: Bidirectional transparent data transmission between RS485 and Ethernet9. It is easy to combine multi-rail installed serial servers together, more freedom.10. It is suitable for Modbus grid upgrade and can be used in conjunction with 3D configuration software.11. Support TCP server / TCP client / UDP mode / UDP multicast.12. Multi-host rolling polling support, easy for cloud communication and device identification.Specification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 12cm * 8cm * 6cm / 4.72inch * 3.15inch * 2.36inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 50cm * 42cm * 32cm / 19.69inch * 16.54inch * 12.6inch Loading Container 20GP: 396 cartons * 100 pcs = 39600 pcs40HQ: 921 cartons * 100 pcs = 92100 pcs

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