Smart Switchable Building Film 1. Construction of smart film 2.On-Transparent,Off-Haze 3.on penetrability and privacy protect Smart Switchable Building Film1. Construction of smart film2.On-Transparent,Off-Haze3.on penetrability and privacy protect ————————————————————————————————————————————————————————————————————————————————————————————————————————————Multi-function* Combines touch IR and ...