... 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-254Specifications: 1. Super thin 7'' TFT monitor.only 1.85 cm. pin-hole metal ... . It supports up to two cameras.8. Four colors for monitors: Silver, Red,Blue,WhiteCertificates:CE,FCC,RoHS