Door Phone system

Installation: surface mount

Dimension: 102 x 131 x 40mm

Environment temperature: -40 to +70˚C

Wire: 4 wires

Power: 18V (supplied by the indoor phone)

Video output: 1Vp-p/75 ohms

Resolution: 420TVL

Lens: F = 2 (9 manual zoom, 90˚ of viewing angle)

Camera: 1/3-inch CCD/CMOS

Technical Parameters:

Door station can be installed by surface mount

All indoor phones are accepted to call, transfer calling, and communicate each other

Accepted to be connected with 4 door stations at most to several entrances each user

Accepted to be connected with 4 indoor phones at most to different floor each user

4-wire system, easy to install and operate

To sure the image clearly at night by IR night vision

Door station with 1/3'' Sony CCD cameras, anti-vandal and waterproof panel

More than 10 melodies for ring selection

V-23 Indoor Phone with large wide screen 7-inch TFT LCDs

Functions & Features:

1.Door Phone System with mental panel;
2. With 1/3'' SONY CCD Camera;
3. 7'' TFT LCD display;
4. 4-wire plug system;