Operating System Operation System : Windows 7/8; Adroid; Linux Advantages Double-point write with peace,precise multi-point touching. USB interface, Intelligent automatic calibration, drive-free and maintenance-free. Longevity of service, maintenance free. Aluminum alloy shell with strong stability. Tempered glass with high light transmittance and true color rendition. Without driver, supporting plug and play. Adapt to internal and external linked environment. No touching tools,no special touching pen is required ,only your finger. Fast response(less than 16 ms), no blind area, breakpoints, jump points, pause and other undesirable phenomena. Compatiblewith multiple systems, support TUIO enables multi-touch in windows 7, 8, Android. http://www.aomaktouch.com