Super Slim Video Door Phone with 7" Digital LCD,

Specification
L Display screen: 7 inch Digital LCD
L Resolution: 800× 480
L Connection/Effective length: 4 wires/100m
L Video channels quantity: 2 door bells +2 CCTV
L Additional monitors quantity: Up to 3
L Key type: Touch keys
L Dimension: 185(W)× 127(H)× 17(D)mm

Basic function
1. Intercom function: See the image of the visitors and talk with them through the Video Door Answering Systems;
2. Door monitoring function: You can see what going on in front of the doorbell or CCTV camera on the monitor at any time through the Door monitoring system;
3. Lock control: Unlock the door through the intercom door security system.
4. Optional volume adjustment: According to residential needs, the chime volume and talking volume can be adjusted; Appropriate color, contrast and brightness may be adjusted to get better displaying;
5. Don't disturb choice: The best video door phone can set No-Disturb state if you don't want to be disturbed by visual doorbell ring.

Expand function
1. The 4 wire villa intercom system supports visitor-call transfer between monitors and make internal call among intercoms;
2. The smart home system supports indoor monitor listening function. It can be active if you have no less than 2 indoor monitors. Indoor units can choose the monitored number and the listening time is 8 ho