... Power:USB 3.Low cost solution,Low power consumption 7.1'' PDA, GPS 4 Wire Touch Screen Panel ... Viewing Area(mm) Active Area(mm)4wire resistive 7.1'' WVT-PAC7.1C 156.00*122.00 145 ... the operation Works With The Operating Systems: Windows 7 Windows 2000-XP Windows 98 Windows CE Linux Dos ... Infrared touch screen/IR Touch Panel frame, LCD Touch Monitor, Kiosk, Interactive touch foil, LCD touch Panel PC/ ...