AITENG V018J Wireless Batteryless WIFI Doorbell, US Plug Filter-Wired Mice It offers you video sync

It offers you video sync with vivid 3D effects

General Compatible with Lenovo:  Tab3 7 Essential

6) Size: 40cm x 29cm

and other data at greater speed without worrying about cable mess

40HQ: 1343 cartons * 50 pcs = 67150 pcs

AITENG V018J Wireless Batteryless WIFI Doorbell, US Plug Filter-Wired Mice It offers you video sync1. Working mode: self powered doorbell 2. Receiver working voltage: 110V 240V 3. Power: less than 2W 4. Working frequency: 433. 92MHZ 5. Remote control receiving distance: more than 150m (open area) 6. AC terminal (pin): US plug, EU plug, UK plug 7. Transmitter operating frequency: 433. 92MHZ 8. Transmitter operating current: less than 15mA 9. LED indicator: press the launch button, the LED of the transmitter is on, the transmitter works, and the