PRODUCTS Biometrics RFID Digital CCTV   DVR AVC-760   DVR AVC-785   DVR AVC-776   DVR AVC-787   CCD Camera AVC-521L   CCD Camera AVC-522L   CCD Camera AVC-527L   CCD Camera AVM-208 Digital Door Locks   Camera AVC-521L Features 350 TV lines of horizontal resolution and high quality picture 1/4" color CCD sensor Minimum Illumination 0.6Lux / F2.0 S/N Ratio is more than 48dB (AGC off). IRIS Mode V.D / D.D selectable and A.E.S Specifications Pick-up Element 1/4" Color CCD sensor Number of Pixel 512(H) x 492(V) <NTSC>, 512(H) x 582(V)<PAL> Resolution 350 TV Lines Min. Illumination 0.6Lux / F2.0 S/N Ratio More than 48dB (AGC off) Electronic Shutter 1/60(1/50) to 1/100,000 sec. Lens Mount C/CS mount changeable Lens f3.6mm / F2.0 Lens Angle 71° Iris Mode D.D./ V.D./ AES AGC Microphone White Balance ATW Video Output 1.0 Vp-p composite, 75Ω Microphone Yes Power Source DC12V±10% Current Consumption 105mA ± 10% Dimension 108(L)*62(W)*50(H) Weight 375g