4" B/W CRT 3.5" TFT LCD Wall Mounting 1. The last popular panel design, the outward appearance design is fine, popular fashion.
2. The material of out cover is constituted by the anti-high temperature and the wear resistant ABS
3. Display by high definition image
4. May call the main engine, speak, observe and open the door
5. High definition image display that reappears the visitor image really
6. Super slim wall mounting, easy installed and avoid damage during installation;
7. Can be connected with audio door phone;
8. Low power consumption and high resolution
9. Specail CCTV camera and telephone function

Spec:
Power source: AC/DC adapter (13.5V DC/1.2 A)
Chime: Ding dong chime
Ambient temperature: -10 to +40C
Ambient humidity: 45 to 95%