Image Sensor: 1/4 Sharp CCD 1/3 Sharp CCD 1/4 Sony CCD 1/3 Sony CCD Horizontal resolution : 420TVL 480TVL Pixels: PAL:512(H)?582(V) NTSC:512(H)?492(V) 1/3 sony PAL:752(H)?582(V) NTSC:752(H)?492(V) Minimum illumination: 0.8LuxF1.2 1.0LuxF1.2 Backlight compensation: Auto Electronic shutter: 1/50(1/60)~1/100,000s White balance: ON/OFF(switchable) S/N ratio : ??8dB Gamma correction: ??.45 Operation temperature: -20??50?? Sync.system: Internal Video output: ??.0v p-p /75? Power Supply: DC12V?10% <150mA Dimensions: 35(W)*35(H)*50(L) Weight(KG): about 0.25