Please clean the surface you have prepared for sticking. Easy installation: No need to drill holes or screw. Just place the adhesive on the refrigerator. The refrigerator lock will stick to the refrigerator immediately. New design cabinet lock: No need to worry about losing the key. With our refrigerator door lock, you don't have to search for keys around the house, saving you time and effort. Each lock has a packaging and operating instructions. Wide compatibility: Our refrigerator door lock is not only suitable for freezers, but also works great as a cabinet lock, drawer lock, oven lock, and toolbox lock; can be used on refrigerators and drawers. Note: Please remember the password when setting the password in the password area. If you forget the password, you cannot reset it.