Andux Land Wine Bottle Lock & Whiskey Bottle Lock MMS-01 1,Great to prevent children, teenagers or flatmates drinking your booze. 2,Lock the bottle and keep your bottle's contents safe, secure and fresh. Also can be used as a bottle stopper and wine presever, multifuctional. 3,Fit most wine and beer bottles as well as some liquor bottles (but please refer to the dimensions first). 4,Cool and useful gadget, will be a lovely gift from you. Password Setting Method: The first step: Pull down the metal buckle(the trapping position on the forth photo). The second step: Change the figures on the lid surface (original password: 000), the digital password you set is the new password. The third step: Pull the metal buckle(the trapping position on the forth photo) back to its original position, to complete the setting of password.