Features: 
Infrared LED light compensation 
Vandal-proof and weather-proof design 
ABS plastic and metal case 

Specifications; 
Dimension: 101x135x 40mm 
95 x128x50mm(Embedded part) 
Power Input: +12VDC   ( supplied by Door Phone) 
Standby Current: ≤ 25mA 
Working Current: ≤ 150mA 
Working Temperature: -30º C~ +55º C 
Humidity: 45%~85% 
Image Device: 1/3" Sony SHAD CCD 
Video System: PAL /NTSC 
H. Resolution: 420TV Lines 
S/N Rate: >48dB 
Unlock Delay Time 8 Seconds 
Min Illumination 0.8 LUX at F1.2