IR LED: 5 x 36 pieces IR distance: 30m Water resistance: IP66 Automatic white balance (AWB) Adjustable varifocal lens with screws on back panel and plastic rubber to seal, cable conceal inside of the bracket Image sensor: 1/3-inch Sony color CCD Pixels: PAL: 752 x 582 NTSC: 768 x 494 Horizontal resolution: 540TVL Usable illumination: 0.5 Lux (infrared lamps turned on) Signal systems: PAL and NTSC Lens: 4 to 9mm manual varifocal iris lens Electronic shutter: PAL: 1/50 to 1/100,000 seconds NTSC: 1/60 to 1/100,000 seconds S/N ratio: ≥48dB Video output: composite signal 1Vp-p/75Ω Backlight compensation: auto Synchronization system: internal IR power on: CDS auto control Scanning system: PAL: 625 lines, 50 fields/second NTSC: 525 lines, 60 fields/second Gamma characteristic: ≥0.15 LED: 36 pieces IR viewing distance: 30m Power supply: 12V DC, 350mA Operating temperature: -10 to 50?C, 95% RH (maximum) Storage temperature: -20 to 60?C, 95% RH (maximum) Colors: silver and black (optional) Weight: 1,300g Dimension: 142 x 83 x 83mm