CCD type: color Sony 1/3-inch super HAD CCD Pixels: PAL: 512H x 582V NTSC: 510H x 494V Scanning system: PAL/NTSC Horizontal resolution: 420TVL Minimum illumination: 0 lux S/N ratio: more than 48dB Video output: 1.0Vp-p/75 ohms AGC: auto White balance: auto Backlight compensation: auto Exposure mode: auto Electronic shutter: 1/50 (1/60) to 1/100,000 seconds Gamma correction: 0.45 Synchronization system: internal synchronization Auto iris control: no IR LED: 36 pieces, diameter: 8mm IR view distance: 50m Lens: external adjustable 4 to 9mm manual varifocal manual iris lens, with focus and zoom function Power supply: 12V DC Electric current: 500mA (IR on) Operating temperature: -10 to 50 degree Celsius Weatherpoof grade: IP65