Model:IS12 Image Sensor:1/3"SONY Horizontal Resolution: 420 TV Lines Pixels: 704(H)×576(V) Operate system : Windows 2000/XP,Linux IR LED : 5 x 23PCS IR Series Distance : 20M Lens Board Lens: 6mm/F2.0 Sync System : Internal IR Status: Under 10 Lux By CDS Usable Illumination : 0 Lux/F2.0 (LED ON) IR Power: On CDS Auto Control S/N Ratio: >=48dB (AGC OFF) Gamma Correctio:n 0.45 Video Out: Composite Signal (1.0Vp-p, 75Ω) Operation Temperature: -10C-50C RH95% Max Storage Temperature: -20C - +60C RH95% Max White Balance : Auto Power Source :DC12V 500mA Dimension :131 x 96mm Weight 1000g