IR touch screen work with smart glass or smart film Switchable glass VL- IR Touch Screen Infrared Touch Screen using a solid structure , fit a variety ... : 1.25 WCurrent follow: 250mAImput way: Finger or opacite materialsMin touch area: 5mmOperation systems: windows2000/2003,win7,winxp,vista,MAC,Linux ... and art store, real estate, office building and apartment etc... Touch Screen with Smart Glass Film