Surveillance Camera - ([defender - Df352] 520tvl, 1/3)

* Image device: 1/3" 760H CCD
* Effective pixels: PAL: 795 (H) x 596 (V); NTSC: 811 (H) x 508 (V)
* Signal system: PAL/NTSC
* Scanning system: 2:1 interlace
* Horizontal resolution: 520TVL
* Minimum illumination: 0 lux (IR on)
* S/N ratio: �50db
* Video output: 1.0vp-p/75Ω
* Vertical frequency: PAL: 50Hz; NTSC: 60Hz
* Horizontal frequency: PAL: 15.625KHz; NTSC: 15.734KHz
* Clock frequency: PAL: 28.375MHz; NTSC: 28.636MHz
* Gamma correction: 0.45
* Auto Gain Control (AGC): on
* Back Light Compensation (BLC): on
* White balance: ATW
* Electronic shutter: 1/50 (1/60) to 1/100,000 sec
* Lens type: 3.5 to 8mm varifocal IR lens
* Viewing angle: Horizontal: 33 to 69°
* IR LED: 54pcs
* IR effective range: 25 to 30m
* Filter: TLC
* Degree of protection: IP66
* Power supply: 12V DC
* Power consumption: 450mA
* Storage temperature: -30 to 60°C
* Operating temperature: -30 to 40°C
* Weight: 1,150g (2.54lbs)
* Dimensions 273.25 x 187 x 127mm (L x H x W), (10.74 x 7.36 x 4.25 inches).