Features:1. Size - The diameter of the bottle mouth should be between 26mm to 28mm,or it won't fit.2. Sturdy - Made of high quality plastic with 3-Digit combination code.3. Password Setup - Press the button on the top to unlock(initial password: 000). Toggle the switch inside the lock to enter the setting password state. Adjust the number on top to a new password you prefer. Toggle the switch inside the lock again to quit the setting password state,then the new code setting is finished.4. Great Gift- Perfectfor giving away as a gift for someone who suffers from alcohol losing or needs quit drinking. You don't get the code,you don't get the drinks.5. Occassions - It's suitable to be used in pub,winery,hotel,super market,also suitable for promotional gifts.Notice:Actual color may be slightly different from the image due to different monitor and light effect.Please allow 1-3cm deviation due to manual measurement.Description:Outer size: 44mm45mmInner diameter: 28mmMaterial: ABS+Zinc AlloyNet weight: 40gBattery: NoColor/Style:As the picture shownApplication: Wine Liquor Bottleincludes:1 x 3 Digit Code Lock for Wine Liquor Bottle