Main features: Wide dynamic range 550TVL 0.001 lux (B/W) OSD control manual Privacy area setting Automatic gain, electronic shutter, white balance are adjustable Color black and white mode selectable Specification: Image sensor: 1/3-inch Sony vertical double-density iterline CCD Standard: NTSC/PAL Resolution: 550TVL Scanning system: 2:1 interlace Frequency sweeping: H： 15.734kHz V: 6.0Hz H: 15.625kHz V: 50Hz Synchronous system: internal/line-lock (24V AC only) Minimum illumination: Color: 0.004 lux B/W: 0.001 lux/AGC TYP, DSS 40X Automatic gain control: max/typ/min Gamma characteristic: 0.45/1/active mode1/active mode2 White balance: ATW/push/user Privacy area: 8 zones Dynamic range: x128 Shutter control: 1/60 to 1/100,000/1/50 to 1/100,000 seconds Digital slow shutter: off/on (2, 4, 6, 8, 10, 20, 40, 80, and 160x) IR sensitive: off/on (Videoc, CDS sensor) Day/night: off/on (Videoc, CDS sensor) Backlight compensation: off/bottom/left/right/top/center Wide dynamic: off/on (level adjustable) Motion detection: off/on (level control, area setting) Picture effect: B/W, Nega/Posi, H/V mirror, sharpness, freeze Flicker-free mode: off/on Manual shutter: 8 step (1/60/50),1/100/120, 1/250, 1/500, 1/1k, 1/2k, 1/4k, 1/10k Power: 12V DC/maximum 280mA, 24V AC/maximum 4.2W Brightness control: 32 step Temperature: -10 to +50℃ Humidity: 10 to +80% RH Lens: F3.5 to 8.0mm Varifocal lens Weight: 320g