Self-adhesive smart film 1.Switch on, clear; switch off, opaque 2.White color PDLC film 3.MOQ:1 piece 4.OEM ... intelligent glass, dimming glass, switchable glass02-Product Preview:Adhesive smart film for window glass , also known as electrically privacy glass or smart ... between transparent and opaque by adjusting the voltage.Power on: clear glass, high transparency; power off: milky color, opaque, ...