1.smart LED Touch TV 2.TouchableTV for training 3.assistant for classroom teaching 4.CCD sensing touch TV ... Touchable LED TV widely applied in the fields of teaching, training, conferences, advertising, display, query, command and other applications… Features70" ... touch, hand gesture recognizable, drag, draw-line, rotate, zoom in/out* Long lifetime: 11years, above 60000000 times for single dot touch ...