Features: Aluminum structure 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 super HAD CCD Signal system: PAL/NTSC Horizontal resolution: 540TV lines Effective pixels (H x V): PAL: 500 x 582 pixels NTSC: 510 x 492 pixels Minimum illumination: 0.5 lux/F1.2 (LED off) and 0 lux (LED on) Day/night automatically switch, illumination: 3 to 5 lux/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: 3.5 to 8mm varifocal lens IR LEDs: 48 pieces, 850nm IR series distance: 30 to 40m IR LED lifespan: 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