Image sensor:1/4" color SHARP CCD Signal system:PAL/NTSC Effective pixel:512(H) *582(V) Resolution:420TVL Minimum illumination:0lux/F1.2 S/N ratio:better than 48dB IR distance:50m B.L.C :on/off switchable White balance:auto Lens:25mm Power supply:DC12V Video output:1.0Vp-p/75¦¸ operation current:500mA Weight:1100g Dimension:220(W) X85(D)mm Operation temperature:-10 to +50℃