[Enjoy Freshness & Waste Less]: A QUICK AND TO KEEP WINE FRESH AFTER OPENING!!! This electric wine stopper can quickly draw out the air in the bottle and maintain a long-term vacuum to minimize oxidation, flattening and bitterness of the wine, and make tasting to 2 weeks or more. Any wine connoisseur can advantage from Wine Stoppers. [Easy To Use]: Just insert the stopper into the bottle, and the wine saver automatically complete the wine preservation work. The LED indicator on the top allows you to clearly know the working status of the wine bottle stoppers. [Real-time Monitoring & Anti-tilt] : When the air pressure in the bottle exceeds 20-25KpaMPa, the pumping process be resumed automatically, keeping the vacuum inside the bottle. The intelligent anti-dumping identification design can prevent wine from being sucked into the interior of the preservation plug and effectively protect product components. [High-End And Elegant]:Food grade ABS with metal wire drawing design,great for a household, hotel, club, bar and more to use.Built-in food grade silicone wine stopper, leakproof wine stoppers, suitable for all red and white wines. A great wine connoisseur gifts!!! [Suitable For Any Place]:very suitable for family, hotel, club, bar, etc. The electric wine bottle stopper is a great gift for any wine lover. You can give them as gifts, this must be an interesting gift! colour: black Material: aluminum alloy + ABS size: 8x4.3cm Package Contents: 4*Wine Stopper Vacuum Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.