... 3 Infrared smart whiteboard 4.,LCD touch pc 5. Own R&D, free software customize LCD All In One Interactive ... single /double writing , multi touch Monitor ;Built In PC, support free customize PC, support WIFI Internet Connect ;Built In TV function, ... , writing, drawing, spotlight, mask, media play, record, annotation, free use rich gallery , or Internet resources , etc. Support Wireless MicrophoneTouch ...