Image Sensor - 1/3 INCH SONY SUPER HAD IT CCD Signal System - NTSC , PAL Total Pixels - 537(H)*505(V) 537(H)*597(V) Effective Pixels - 510(H)*429(V) 500(H)*582(V) Scanning System - 2:1 interlaced 525 Lines Non-interlaced 625 Line Scanning Frequency - 15,734KHz(H)/60Hz(V) 15,625KHz(H)/50Hz(V) Sync. System - Internal Resolution - more than 330TV Line Video Output - VBS1.0VP-P Composite / 75-+ S/N Ratio - more than 48dB(AGC off) Min. Illumination - Under 1.000Lux for infrared Lighting condition Range of Visibility - 11Units infrared LED : 15M(Max) Gamma - r=0.45 White Balance - Auto Lens - F=1.8 f=4mm (f=6mm, 12mm option) Shutter Speed - 1/60 ~ 1/100,000sec. 1/50 ~ 1/100,000sec. Operation Temperature - 14=ª~122=ª(-10f+~50f+) Power - DC12Vf+10% Dimension(Wf+Hf+D) - +¼54(W)mm f+ 71(H)mm