... scrape-resistant 3.Anti-electromagnetic interference Touch frame(Touch screen)Touch frame is a plug and play solution, ... or projector in the market.Highlight:1 Support multi-touch,4 points, 16 points, 32 points ... compatible with windows XP OS, windows 7/8 OS multi-touch system Specification: Available Sizes: 27",42", ... straps.Application: Infrared 64 points multi-touch 42" touch screen touch frame