Q.   Display
1.Attach the crack sticker.
2.Remove the surface area.
3.Insert the screw.
4.Put the light on the screw and finish it!

Q.   How long will the battery last?
A.  Although the battery duration is slightly different from each
other, it can be used for approximately 100 to 129 hours
when alkaline batteries are used.

Q.   Is it possible to reuse crack stickers?
A.  It depends on the wall material, but it is possible to use it
twice when using the normal wallpaper.