Cable concealed inside the bracket With adjustable varifocal lens With screws on back panel and plastic rubber to seal 50m visible distance Low power consumption and wide voltage (8 to 15V DC) technology IP55 weatherproof standard Sun-shield housing and aluminum bracket Dust-avoid protect glass OSD menu: 540TVL, motion detection, cover the display area, multiple languages, BLC, AGC and color to B/W adjustable Image sensor: 1/3-inch Sony Horizontal resolution: 540TVL Resolution: PAL: 752 x 582 pixels NTSC: 768 x 494 pixels TV system: PAL/NTSC LED: 48 pieces IR series distance: 50m Synchronization system: internal Usable illumination: 0.1 lux Lens: 4 to 9mm manual varifocal lens S/N ratio: ≥48dB (AGC off) Gamma characteristic: 0.45 Video output: 1.0Vp-p, 75Ω Scanning system: PAL: 625 lines, 50 fields/second NTSC: 525 lines, 60 fields/second Electronic shutter time (automatic): PAL: 1/50 to 100,000 seconds NTSC: 1/60 to 1/100,000 seconds Operating temperature: -10 to +50 degree Celsius, 95% RH (maximum) Storage temperature: -20 to +60 degree Celsius, 95% RH (maximum) Automatic iris: AES White balance: Mode: automatic Range: 3,200 to 10,000K Dimension: 160 x 100 x 97mm Weight: 1,150g Power supply: 12V DC, ±10%, 550mA