Model GL-863/863Z/863K Pickup device 1/3" Sony sensor Number of signal PAL:512(H)*582(V) NTSC:512(H)*492(V) System of signal NTSC/PAL Horizontal resolution 420TV Line Minium illumination 1.0Lux/F1.2　 Lens mount 3.6mm,4mm/6mm/8mm/12mm/2.8mm Backlight compensation Auto AGC Auto Electronic shutter 1/50(1/60)~1/100,000sec Iris control VIDEO/DC White balance Auto S/N ratio >48dB Gamma correction >0.45 Operation temperature -20~50 Sync.system Internal Video output ≤1.0v p-p /75Ω Power supply <150mA　 Dimensions(mm) 23*64mm　 Weight(g) 130g