... Win7, Win8, Vista D-Rate Optical Imaging Multi-touch Frame D-Rate optical imaging multi-touch frame is special designed for ... multi-touch frame is made with the advanced optical imaging technology in interactive filed, which use 2 CCD lens ... circuit boards, tempered glass, etc. PC connection5m USB cableTouch technologyOptical imaging (no special surface coatings)Touch methodFinger, glove hand, pen, ...