... OEM, customizable Mutlit Touch Screen Smart White Board Application:Widely use to office & hotel meeting, e-classroom, e-school, ... , hand gesture recognizable, drag, draw-line, rotate, zoom in/out* Long lifetime: 11years, above 60000000 times for single dot ... website.* Accurate synchronous with connecting computer.* Unlimited sources input in various file format, include images, flash, video files. ...