Model AX-653 AX-662 AX-660 Pickup device 1/3?± SHARP CCD 1/3?± SONY CCD image sensor Number of pixel PAL: 512(H) X582 (V) NTSC: 512(H) X492 System of signal NTSC/PAL Horizontal Resolution 420TV Line 480TV Line Lens mount C/CS Minimum illumination 1.0Lux/F1.2 Backlight compensation ON/OFF (Switch able) 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 1.0vp~p/75 Power supply DC12V, <150 mA / AC24V, <120 mA /AC220V, <10 mA Dimensions (mm) 68(W) X 55(H) X 128.5(D) Weight (g) 550g