You will receive a Christmas card as a gift for the Christmas Day! Safety Lock to Protect Child: This safety lock equipped with a password feature can prevent toddlers from pinching their fingers when they access the refrigerator; it prevents children from consuming food not approved by their parents; and it also stops little ones from accidentally locking themselves inside the refrigerator. NO Tools or Drilling: This refrigerator lock is exceptionally easy to install��simply peel off the sticker and adhere it to the refrigerator. Make sure to clean and dry the surface of the refrigerator beforehand. The strong adhesive is reliable and will not harm the refrigerator's surface, so use it with confidence. Password Setting: The initial password for this refrigerator lock is 0000 (it's not advisable to change the password as many people tend to forget the new one). Changing the password is quite straightforward; just keep the password at "0000" and, using the tool provided in the right hole, plug it in to start resetting your password. Remove the tool once your password is completely set. Multifunctional Password Lock: This lock is versatile and can also be used for cabinets, restrooms, windows, drawers, closets, washing machines, and more. A reliable safety lock helps ensure children's safety.