Model AX-653-II AX-662-II AX-654-II Pickup device 1/3-inch SHARP 1/3-inch SONY 1/4-inch SHARP Number of pixel PAL: 512(H) X582 (V) NTSC: 512(H) X492 System of signal NTSC/PAL Horizontal Resolution 420TV Line 400TV Line Lens mount C/CS Minimum illumination 1.0Lux/F1.2 Backlight compensation ON/OFF (Switch able ) AGC 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) 35(W) X 35(H) X 50(D) Weight(g) 250g