[Features] ● At the entrance of places where photography is prohibited, such as factories, museums, exhibition halls, corporate development departments and laboratories, you can put a sticker on the camera lens of your smartphone or mobile phone to prohibit photography. -When the sticker is removed, the letters "VOID" remain, and you can tell at a glance that it has been removed. ●The lens part of the camera is designed so that no glue will stick to it. ● After use, dirt can be removed with the included cleaning sticker.
