hohofilm electronic pdlc smart film a4 sample pdlc switchable smart film electric smart glass film(21cmx29.7cm) hohofilm <b>descriptions:</b><br> <b>if you want big size pdlc smart film,please contact us in time.</b><br> material:pdlc, imported liquid crystal and ito film<br> feature: self-adhesive<br> application: commerical and home window glass<br> smart film applies to any new or existing smooth glass surface. easily control our switchable film from clear to frosted (opaque) with the click of a button or command from your smart phone. smart film switchable privacy tint is private frosted and opaque when powered off and transparent clear when powered on.<br> smart pdlc film/glass is a high-tech product which is based on pdlc liquid crystal technology.<br> opaque when power off,transparent when power on.meanwhile,it replace the function of traditional projection screen.<br>