01. Working voltage:DC18V;
02. Harmonic distortion: ≤5%;
03. Operating temperature -15℃～ 60℃;
04. Installation: Pit mounted;
05. Aluminum Alloy Panel;
06. Temperament;
07. Large LCD. Humanity Design;
08. Built-in 1/3" Color/B/W CCD camera;
09. Calling indoor monitor and management station;
10. Visible interphone function;
11. Support password unlock and call management unlock;
12. Camera with infrared night vision function;
13. High lightness keypad and backlight;
14. Suitable for M-2000 system.