Pickup device:1/4"SONY Super HAD CCD Number of pixels PAL:500(H?82(V NTSC:510(H?92(V) System of signal: NTSC/PAL Horizontal resolution :420TV Lines Minium illumination: 0.8Lux/F1.2 Built-in lens: 16X F4.0mm~64.0mm(F1.6~3.7)/16 Backlight compensation: ON/OFF(Switchable) Electronic shutter: ON/OFF(Switchable) White balance: Auto S/N ratio : 48dB Gamma correction: 0.45 Operation temperature: -20 ~50 Sync.system :Intermal Vide output : 1.0Vp-p/75 Power supply :DC12V