Plastic Bottle Password Combination Lock Wine Stopper Vacuum Fresh-keeping Device Features: High Quality Black Plastic Red Wine Stopper Digital Bottle. This a code lock which can lock the mouth of the red wine bottle, makes the wine bottle sealed, keep the red wine in bottle fresh. It can prevent red wine being stolen drunk or switched. Red wine with this code lock will be very safe. It\'s suitable to be used in pub, wine shop, hotel, super market etc. It\'s also suitable for promotional gifts. Specifications: Color: Black Material: Plastic Size: approx. 4x4x4cm/1.57x1.57x1.57in Notes: Due to the light and screen setting difference, the color of the item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. How to set the password? The initial password of the code lock is 000, and make the "0" on the 3 rollers is aligned on the mark line on the roller. The pen into the password settings button according to the spire (usually in the side and the bottom surface of the lock body), need to stay still set before the end of the rotation number wheels set your new password, the number indicating the alignment line, release the button back to the normal position, which successfully set a new password. If you want to change your password again, please repeat the above steps. Any questions,kindly please feel free to ask us,Thank you. 1 x Bottle Password Lock 1 x User Manual