... * OSD menu. * 3.8-38mm lens Main Specs:1/4" CCD,10X optical zoom,480TVL,IR Sensor,transfer color to ... lines scanning,patterns,tours,360°intermittent, autos; * RS485, Pelco D/P protocol optional.customized protocol available. * Support soft address, available to ... other types could install: ceiling/wall mount, indoor/outdoor for option. * Support Pelco D/P. Ashkel 4 Inch Mini High Speed Dome Camera ...