How to Use: 1. Peel off the protective film from the suction cup. 2. Press the suction cup onto the clean wall or tile. 3. Make sure it is firmly fixed. (Please touch the main unit to make sure it is not satisfied.) 4. If there is no problem, hang things or put things on the rack. Note: Please follow the load limit. Never hang valuables or fragile items. Do not use on window glass under direct sunlight. We are not responsible for damage or accidents.