Robust: made of high quality plastic with 3-digit combination code. Safe: Come with this code lock, your wine will be very safe. It can prevent your wines from being stolen or traded. Ideal to prevent children, teenagers from drinking wine. Password setup: Step 1, press and hold the round silver button on the top; Step 2, Adjust the number shown at the top (initial password: 000) according to the new password of your choice Step 3, release the button thenpassword setup is complete Multipurpose: Suitable for use in pubs, wine shops, hotels, supermarkets, etc., also can make it a promotional gift to customers. NOTE: The diameter of the bottle mouth should be between 26-28cm, otherwise it is not suitable. The plastic material. Size: 45mm*42mm*40mm. Function: help keep the wine fresh, keep the wine is not steal. Features: Environmental protection and wine conservation The high quality black plastic red wine bottle stopper digital lock security lock gifts. This lock can lock the neck of the bottle of wine, red wine, so that the red wine seal in keep it fresh. It prevents the wine was stolen or switched. Very secure password lock wine, suitable for using in a bar, Hotel Restaurant, supermarkets, etc., also applies to the promotion of gifts. Password setting method: Step One: Hold the circular button at the top of the money. Second step: the upper part of the numeric (initial password: 000) to adjust the new password to be together. Third step: the release button, the configuration password will be completed. Packaging: 1 * The lock cap