CNB DBM-20VDL Security Indoor Dome Camera (White) 1/3" High Sensitivity CCD, 600 TV Lines, Built-in DC Iris Vari-Focal Lens (f=4~9mm) Min. Illumination : 0.05Lux, OSD, DNR, Auto White Balance, AGC, SBLC, Flicker less Motion Detection, Privacy Zone, Mirror Function, 3-Axis Movement for Free Lens Rotation 92mm Dome Size, 12VDC Single Voltage, Professional Installation Required