7''color Touch Buttons Video Intercom with DVR (M2107BCM)

7''color Video Door Phone with DVR Function. Video Doorbell of M2107BCM
Call transfer to telephone.
Door monitoring function;
Call transfer to the other monitor;
Internal-communication;
Color Contrast, Brightness adjustment;
DO NOT DISTURB setting;
Visitor-call transfer;
Indoor monitor listening function;
Image format convert 16: 9 to 4: 3;
Broadcast function;
Image and video captured;
Video door phone with DVR function;
Multimedia function;