1. Electric wine vacuum preserver which works automatically, save time and labor; It takes 50-80s to vacuum the wine.                                                                                                  
2. Perfect seal: keep wine fresh, preserve its aromas and flavors.                                                                                                                          
3. Place the preserver on the top of the opened bottle, it vacuums automatically until air in the bottle is vacuumed. Battery Power Indicator.                                                               4. ABS housing, Power source: 2 x AAA batteries, not included.                                                                                                                                              
5. Size: 71*78*48.5CM, 90g in weight; Suitable for bottle(inner diameter): 17.5---19.5MM. Rated power: 3W; Rated voltage: 3V.                                                                                   

6. Intelligent detection: ensure an excellent vacuum all the time ; the device will stop working automatically if the tilt angle is over 45 degrees.