: Electronic fresh red wine stopperMaterial: ABS/SiliconeColor: blackSize: 71*71*48.5mmPackage content: red wine preservation stopper1. Compared with the traditional wine vacuum pump, you need to manually press repeatedly to vacuum out the red wine bottle, while our electric wine stopper only needs to be pressed into place, the blue vacuum indicator light will be on, and the whole vacuuming process can be completed automatically, just wait quietly for the vacuum indicator light to go out, and then you can easily make your red wine as fresh as ever2. The wine vacuum sealer will continue to automatically detect the air pressure inside the bottle. When the pressure inside the bottle leaks more than -0.01mpa, the electric wine stopper will be restarted to exclude the air inside the bottle and keep the vacuum inside the bottle, so as to achieve a good preservation effect.3. Under the working condition of the wine preservation vacuum pump, when the wine bottle is tilted to 45, it will trigger the anti-backflow function, and the red wine vacuum pump will automatically stop pumping the vacuum and light up the red light as a reminder. This can prevent the wine bottle tilted to continue pumping, resulting in red wine backflow into the soft red wine stopper causing failure, when the bottle is restored to less than 45 , the red wine stopper will work again.4. The red wine vacuum stopper is suitable for all red and white wines, it is the perfect gift for wine lovers, so your wine will not go to waste and stay fresh for 7 days is so simple. As there is no vacuum release button, please pay attention to the left and right swing slowly remove the red wine cork, avoid forcibly pull out to damage the internal seal of the red wine cork.