:1. Once used, our wine pourer and stopper become airtight and prevent oxidation by sucking the air out of the bottle.2. The electronic wine stopper will repeatedly evacuate the bottle itself to maintain a vacuum in the bottle, thus achieving a really good preservation effect.3. 3. Insert the wine preserver vertically and completely into the mouth of the bottle and it will automatically start to draw the air out of the bottle, which will preserve the wine better than the original cork and prolong the freshness period of the wine.4. Suitable for most red and white wine bottles Not suitable for champagne and sparkling wines. The best solution for storing wine at home, clubs, bars and hotels.5. When the red wine vacuum pump is in working condition, when the bottle is tilted to 45, it will trigger the anti-pouring function and the red wine vacuum pump will automatically stop vacuuming and light up a red light to remind you.Colour: BlackNote:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding2. The color may vary depending on the display. Please understandNote:Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)Package includes:1 set*electric wine stopper