Sony super HAD CCD sensor Built-in board lens/cone lens Weatherproof Description: bullet Image device: KX-31CB: 1/4-inch color Sony super HAD KX-31MB: 1/3-inch B/W Sony super HAD Picture elements: KX-31CB: (NTSC) 510 x 492, (PAL) 500 x 582 KX-31MB: (EIA) 510 x 492, (CCIR) 500 x 582 Resolution: KX-31CB: 330TVL KX-31MB: 420TVL Minimum illumination: KX-31CB: 0.5Lux/F2.0 KX-31MB: 0.1Lux/F2.0 S/N ratio: more than 48dB Electronic shutter: KX-31CB: (NTSC) 1/60-1/100,000, (PAL) 1/50-1/110,000 KX-31CB: (EIA) 1/60-1/100,000, (CCIR) 1/50-1/110,000 Gamma: 0.45 Lens furnished: board lens 3.6mm/F2.0 (option: 6/8/12mm) White balance: auto Gain control: auto Sync. system:internal Video output: 1Vp-p/75 ohms Audio output: 2Vp-p/ 50 ohms (option) Power supply: DC 12V +/- 10% Power cosumption: KX-31CB: 117mA maximum KX-31MB: 108mA maximum Operating temperature: -10 to 50 degrees Celsius