Bosch 1/4" IT CCD Color Dome Camera, 470TVL, High Sensitivity, 24VAC, Backlight Compensation, Line Lock Synchronization, Advanced DSP for true color reproduction Security Camera features: Fixed Cameras in 64-mm (2.5-inch) Domes 1/4" Format IT CCD Camera 470 TVL Horizontal Resolution Full range of color models Selectable switch for White Balancing and Phase Adjustments Available with 2.1 mm, 3 mm or 6 mm Lenses All Models with advanced DSP Backlight Compensation 24 VAC Supply with Line-Lock