Wired Video Door Telephone Doorbell Intercom Home Entrance System Waterproof Outdoor Infrared Camera Can Be Locked 1 TO 1 ,For Your Safety

1.7 inch TFT LCD, no radiation, low power, high-definition widescreen images. 2.hands-free intercom function. 3.with call ring back function. 4.electronic control unlock function. 5.there are monitoring outdoor functions.