Genuine Smart Tint Installed and Operating on Commercial Skylights. One of the best solutions is Switchable Privacy Film that solves this problem at the touch of a button. Utilizing Smart Film technology, the glass is transformed from clear to opaque with a remote that can be controlled anywhere, anytime. The ability to control the glass from transparent to frosted at any time has significant advantages. You can benefit from the amazing view and natural light while having full control over when and for how long you want it exposed.