2.4Ghz Long Range Coverage 7 Inch HD 1080P Doorbell Wireless Video Intercom 2MP Door Phone Unlock Monitor 140° Home Security

2.4GHz digital frequency hopping and encryption technology, transmission distance up to 50 meters. 1080p camera, 7-inch screen 140° wide-angle lens Power supply: AC 8~24V, DC 12~36V or battery Function: Press and hold to talk, monitor, take pictures, record videos Night vision range 3 meters Support unlocking control, easy to connect electric locks and electromagnetic locks No network, no delay, can be used in offices, villas, apartments and other places External memory: MicroSD card, up to 256GB window.adminAccountId=2677827115;