Equipped with up to 20x optical zoom and 12x digital zoom lens, high-speed and accurate PTZ positioning, stable wireless transmission and built-in 1/2.8-inch HD CMOS sensor, the video camera of LCS910 brings you up to 1080P FHD high-quality video performance and builds an ultimate lecture recording studio. No matter which part of the image you want to magnify, it will still be clear to watch even if the subject is at long distance. Attached multi-function infrared remote control for easy and flexible operation.