... , 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. ... hrs)>30,000(hrs)Input & OutputRJ45 1USB (IN) 2VGA 1HDMI 3AUDIO IN 1MIC 1Componet terminal2Composite Video IN2S terminal 1BG,DK ...