7 Inch Color Video Door Phone 1.Super thin 7'' TFT monitor 2.Unlock, intercom, call other monitors, surveillance outside Product name: Super Thin 7 Inch Color Video Door PhoneItem No.: LL-253Specifications: 1. Super thin 7'' TFT monitor, only 1.85cm, ABS camera2. CMOS camera, handfree, audio and video communication.3. Unlock, intercom, call other monitors, surveillance outside4. 6 LED lights, ...