Features: Aluminum structure Nextchip DSP All sealed water-resistant body sunshield used for outdoor supplied Applications in all darkness place indoor or outdoor Specifications: Image sensor: 1/3-inch Sony CCD Signal system: PAL/NTSC Horizontal resolution: 480TV lines Effective pixels: PAL: (H) 500 x (V) 582 NTSC: (H) 510 x (V) 492 Minimum illumination: 0.5Lux/F1.2 (LED off) and 0Lux (LED on) Day/night automatically switch, illumination: 3 to 5Lux/F1.2 Auto white balance S/N ratio: more than 52dB Electronic shutter: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds Auto AGC and BLC Lens: 4 to 9mm varifocal manual iris lens IR LEDs: 36 pieces, 850nm IR series distance: 35 to 40m IR LED life: 100,000 hours Gamma correction: 0.45 Internal synchronous mode Video output: composite video output (1.0Vp-p, 75Ω terminated) Power supply: 12V DC±10% Operating temperature: -10 to +50 degrees Celsius, 95% RH maximum Body: aluminum Weight: 1,000g