Look Through / Power switch cover

This product is a light switch cover, with translucent plastic as a material used.It reminded to save energy mainly. Even if the door is closed, it still easy to know that the switch is on or off, It represents that the translucent with the most way. Even the owner forget to switch the power, it still shows the translucent ways is better than a completely transparent way with more privacy.
The light can goes through he room from transluence glass, It does not to be open the door to know the power on or off.