Smart film for MRT Windows\
Amazing news: smart film is used on Metro windows. and it work with sensor control on/off.
It proves that our smart film is safe for transportions. This project control system is Sensor to control smart film ON/OFF.
When Metro is approaching the buildings,then its windows become opaque, then it can help keep the privacy of building,
When no bulidings ,the Metro windows become transparent with high transparency.
Below is the mrt windows smart film project video link:rt