Smart Tint® electric window film applies to any new or existing smooth glass surface instantly creating Smart Glass. The proprietary Switchable Film® allows you to control transparency, switching from clear to frosted (opaque) with the click of a remote control, smartphone command, wall switch, or any 3rd party control system. Genuine Smart Film® is frosted and private when powered off and transparent when powered on, with a reverse operation available upon request. All of our technologies are dimmable. Our authentic Smart Tint® includes a genuine product seal with serial number and has an industry leading warranty.