1.Automatic Air Pumping - No need for hands to pump it The electric vacuum wine saver will start to work automatically when it is pressed into the bottle mouth.2.Intelligent Detection of Air Pressure - During the storage of wine, the wine saver will restart air pumping if the air leak happens, which creates an airtight vacuum all the time. The wine stopper keeps wine fresh longer than most wine stoppers in the market.3.Safer Food-grade Material - The electric wine stopper is made from high quality food-grade Silicone inside and food-grade ABS outside. 4.The wine saver guarantees the safety and hygiene.Intelligent & Simple Indicator - The wine stopper works on 2 AAA batteries (not included). The wine saver features two lights indicating working process and battery power, which will light in blue when air pumping.5.Fit for Most Wine Bottles - Fit for most red and white wine bottles (Not for champagne and sparkling wine). Great solution to store wine for household, club, bar, hotel. High-grade wine accessory, best gift for friends or wine lovers. Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it