Model GL-632 Pickup device 1/3" Sony Number of signal PAL:512(H)?82(V) NTSC:512(H)?92(V) System of signal NTSC/PAL Horizontal resolution 420TV Minium illumination 0Lux/F1.2　 Lens mount 6mm,8mm/12mm(Optional)Backlight compensation Auto Electronic shutter 1/50(1/60)~1/100,000sec 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 DC12V, <450mA　 Dimensions(mm) 76(D)*140(L)　 Weight(g) 554g　 IR LEDs 24 IR View Distance 30m Waterproof Rate Ip67