Hanging High For Wider Area,Avoid Knocking Down By Pets
There are 4 ways to fix the laser on all kinds of walls.
-Large and powerful suction cup could stick it stably on smooth surface like window or refrigerator.
-3M adhesive tape could stick it on walls or doors,you can remove the tape without remain.
-Hanging it by string or fix it by screws are also an option for special area,screws are included in package.