... Resistive touch screen,Surface Acoustic Wave (SAW) touch screen, Interactive touch foil film through glass, Projected and Surface Capacitive touch screen, Optical touch screen, Touch LCD Monitor, Touch Kiosk, and Multi-touch ... ,1995 :Level 4)ControllerIntegration inside touch panelAgency ApprovalsCE, FCC, RohsOperating System:Operation System : Windows 7 42" Multi Touch Screen Overlay kit with USB