Support RFID Function, it can open the lock by RFID Card or RFID Keyfobs. 7 Inch LCD press key screen,door answering, monitoring and unlock, dual-way intercom Mute door intercom with door kits. 700TVL CMOS IR night vision high resolution door monitor camera, easy to install,wired connection stability for home security systems. 1 camera and multi pcs LCD color monitor, supporting 1 building which has multi households.You can see and hear before you're at the door. 16 different kinds of door bells chimes.Volume, brightness and contrast are adjustable. Fashion and nice design,which can also be used a decoration of your house for home improvement.