Night - vision PTZ dome camera 1/ 4 "1/ 4 - inch internal CCD sensor CCD sensor Color video camera Digital Signal Processor (DSP) Digital Signal Processor (DSP) Standard high resolution Optical zoom Day/ Night mode Auto - focus On - Screen Display (OSD) On - Screen Display (OSD) White balance White balance Automatic Gain Control (AGC) Backlight Compensation (BLC) Backlight Compensation (BL