Budget version
ON: normal mirror
OFF: no reflection
Premium version
DIMMER KNOB: goes from no reflection to reflection to enhanced reflection
Budget version
ON: normal mirror
OFF: no reflection
Premium version
DIMMER KNOB: goes from no reflection to reflection to enhanced reflection
I believe it’s actually a layer of film, I think it’s typically sandwiched. So you’d have to make sure the back layer is just glass so it could be mirrorized.
https://en.wikipedia.org/wiki/Smart_glass