Resultados de la búsqueda de "school electronics"
-
ZHUDELE ZDL-9908 Window Two-way Walkie-talkie Bank/Hospital/Station/Counter Microphone Amplifier,EU Plug, EU Plug, UK Plug, US Plug
1. Power input: AC100-240V 50/60Hz2. Working voltage: DC12V3. Working current: 1A (MAX)4. Main sound (sub sound): 3W5. Built-in microphone: 38db+/-3db6. External microphone: 38db+/-3db7. Frequency response: 100Hz-12KHz8. Dimensions: 157 x 87 x 46mm9. Audio length: 2 meters10. Power cord length: 1.2 metersfeature:1. Anti-interference, no noise function.2. Two-way voice intercom communication technology, automatic recognition and processing of voice signals during the call, without any action.3. Dedicated anti-sidetone processing chip with automatic mute function.4. The application of fully automatic call control, the microphone and speaker of the external unit are designed in an integrated manner, which is connected to the front line system of the main unit, and is easy to install.5. Internal and external two-way voice signal output (bank teller recording), stereo jack output mode can prevent the recording function controlled by the power switch and function button.6. Application: Banks, securities, hospitals, bus stations and other places where anti-theft glass is installed.Specification: Package Weight One Package Weight 0.69kgs / 1.52lb One Package Size 18cm * 18cm * 10cm / 7.09inch * 7.09inch * 3.94inch Qty per Carton 30 Carton Weight 21.00kgs / 46.30lb Carton Size 55cm * 38cm * 54cm / 21.65inch * 14.96inch * 21.26inch Loading Container 20GP: 236 cartons * 30 pcs = 7080 pcs40HQ: 548 cartons * 30 pcs = 16440 pcs
£23.99 - £24.99
-
HW-243 W5500 Ethernet Network Module Hardware TCP / IP 51 / STM32 Single-Chip Program
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
£2.99
-
X6 Portable Ultra Mini HD Kids Digital Camera DV Camcorder with Key Ring, Support TF Card
MegaPixel:< 5.0MPSensor Type:CMOSViewfinder Type:LCD ScreenMemory Card Type:MicroSD / TFLens Type:TelescopicOptical Zoom:Fixed FocusSensor Size (inches):1/1.6 inchesRecording Format:AVIPower Mode:Lithium BatteryExternal Flash:NoUltimate Resolution:1280*960Battery Type:Rechargeable Battery PackVideo Capture:Yes1. Can be used as a PC camera to support chat.2. You can connect your computer in power off mode, standby mode or video mode. Once connected, the mini camera can be used as a USB flash drive, which can copy, cut, paste, and delete files.3. Support AVI video format.4. It can record high definition images in low light.5. Support video resolution 1280 * 960, 30 fps, support picture resolution 1280 * 1024, support 32GB MicroSD / T-flash card (maximum).6. Support motion detection, alone recording, charging while recording, loop recording, computer PC camera.7. Record video 90 minutes, and charge 3 hours.8. It has the advantages of simple operation, small size, beautiful and practical, and convenient to carry.9. Size: 4.7x2.9x1.4 cm, weight: 13gSpecification: Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 270 Carton Weight 19.17kgs / 42.26lb Carton Size 50cm * 50cm * 38.3cm / 19.69inch * 19.69inch * 15.08inch Loading Container 20GP: 278 cartons * 270 pcs = 75060 pcs40HQ: 646 cartons * 270 pcs = 174420 pcs
£8.99
-