Zoom - Available in 3x/10x Optical zoom Control - Cascadable RS232/485 (VISCA/Pelco) + 255 preset positions USB2.0 (type A) Output - Fast and Simple setup Full HD Image - 1/2.8' high quality CMOS sensor with resolutions up to 1080p@30Hz Superb Auto Focus - Latest auto focusing algorithms resulting in quick, accurate, and stable focus Extremely Quiet PTZ - Step drive motor mechanism and precision motor drive controller ensure PTZ works smoothly with no noise