Safety lock protects children: This safety lock with a password lock can prevent babies from pinching their fingers when opening the refrigerator; Prevent infants from consuming foods prohibited by their parents; Even babies may accidentally lock themselves in the refrigerator. No tools or drilling required: This refrigerator lock is very easy to install and install, just peel off the sticker and stick it on the refrigerator. Please clean and dry the surface of the refrigerator before use. 3M stickers are sturdy and will not damage the surface of the refrigerator. Please use them with confidence. Password setting: The initial password for this refrigerator lock is 0000 (it is not recommended to change the password as many people have forgotten the new password). Changing the password is very simple, just keep it in the small hole on the door lock with "0000". Insert the small tool and start resetting the password. Release the inserted tool after the password is fully set. Multi functional password lock: can not only be used for refrigerators, but also for cabinets, bathrooms, windows, drawers, closets, washing machines, etc. Safety locks can provide safety protection for children Excellent after-sales support: We have provided refrigerator protection support to over 3 million people in Europe, Japan, South Korea, and other countries. We have received a lot of praise and recognition. We will also provide satisfactory solutions for customers who encounter problems.