Features: Exquisite design, precise circuit, structure, incorporated highest technology Aluminum structure, sealed waterproof body sunshield used for outdoor supplied Varifocal lens, easy to fit to wide range of requirements and conditions Longer working distance in night (30 to 35m), best choice for large zone surveillance system such as borders and warehouse Cable conceal inside of the bracket Image sensor: 1/3-inch Sony Specifications: Power supply: 12V DC, 500mA Resolution: PAL: 752 x 582 pixels NTSC: 768 x 494 pixels Horizontal resolution: 540TVL Usable illumination: 0.1 lux Signal system: PAL/NTSC Lens: 3.5 to 8mm manual varifocal lens Angle: 60° Electronic shutter: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds S/N ratio: more than 52dB Video output: 1Vp-p/75Ω White balance: automatic Backlight compensation: automatic Gamma characteristic: ≥0.15 LEDs: 42 pieces IR view distance: 30m Weatherproof standard: IP65 Operating temperature: -10 to 50°C Dimensions: 185 x 90 x 96mm Weight: 640g Note: with bracket (cable conceal inside the bracket)