Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! About this item: Scope of product application: It is suitable for the preservation of various beverages such as red wine, foreign wine, beverages, juices, etc. in homes, hotels, bars, clubs, etc. Function: The vacuum fresh-keeping stopper can extract the excess air in the unfinished red wine bottle to achieve a fresh-keeping state, which can be kept fresh for up to 7 days! Usage: 1. It is used for the preservation of unfinished red wine, foreign wine and various fruit juices and beverages. 2. Humanized design, suitable for all kinds of red wine bottle mouth, keep the bottle mouth clean and hygienic. 3 It can keep red wine fresh for 7 days and use it as a wine stopper. Material: ABS+aluminum alloy colour: Silver Battery type: without battery (2 AAA batteries, there may be slight color differences or differences in the actual product) Package Contents: 1 * Electric Vacuum Wine Bottle Stopper 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.