Specification | Model | IR 120H | Image Device | 1/3" CCD | Chipset | Sony Super HAD | Signal System | NTSC | Resolution | 550 TV lines | Min. Illumination | 0.03 lux F1.4 ; 0 lux (IR ON) | S/ N Ratio | More than 48dB | Electronic Shutter | NTSC: 1/60s~1/100,000s, | | PAL: 1/50s~1/110,000s. | Gamma | 0.45 | Lens Furnished | 4.0mm~9.0mm F1.6 Auto Iris Vari-Focal Lens | Gain Control | Auto | White Balance | Auto | BLC | Auto | Video Output | 1.0 Vp-p composite video at 75 ohms | Power Source | DC12V / AC24V (minimum power consumption: 20W; 900mA) | Operating Temp. | 14˚F~125˚F | |