Model GL-308VR Pickup device 1/3Sony Number of signal PAL:512(H)?82(V) NTSC:512(H)?92(V) System of signal NTSC/PAL Horizontal resolution 420TV Line Minium illumination 0Lux/F1.2 Lens mount 6mm Backlight compensation Auto AGC Auto Electronic shutter 1/50(1/60)~1/100,000sec White balance Auto S/N ratio >48dB Gamma correction >0.45 Operation temperature -20^oC~50^oC Sync.system Internal Video output ≤1.0v p-p /75Ω Power supply DC12V,<150mA　 Dimensions(mm) 94(D)*68(H) Weight(g) 370g