Specifications: Water-resistant and weather resistant housing for outdoor use Excellent night vision 3-axis bracket Zoom lens: 4 to 9mm Infrared LED light: 66 IR distance: approximately 30m Image device: Sharp TV systems: PAL and NTSC Effective pixels: PAL: 512 x 582 pixels NTSC: 512 x 492 pixels Sensing area: 4.9 x 3.7mm (V) Synchronization system: internal Resolution: 420TVL Minimum illumination: 0 Lux/F1.2 (LED on) Video output: composite signal Gamma consumption: 0.45 AGC: on S/N ratio: better than 48dB White balance: automatic Electronic shutter: 1/50 or 1/60 to 1/100,000 seconds BLC: on Current consumption: 450mA (maximum) Power supply: 12V DC Operating temperature: -20 to 70 degrees Celsius Operating humidity: 95% RH (maximum) Storage temperature: -40 to +80 degrees Celsius Storage humidity: 95% RH Lens: 4.0 to 9.0mm Lens angle: 92 to 38°