Manual Vacuum Pump with Sound Indicator, Includes 2 Plugs with Date Indicator PRESERVATION: Thanks to the Vacuum Pump, an airtight vacuum is generated in the bottle that keeps the wine once opened, encouraging this process to preserve the wine for a longer time. AVOID WINE OXIDATION: It avoids the wine oxidation process that is responsible for the deterioration of the wine. EASY TO USE: The pump handle is ergonomically designed to facilitate the pumping action. PATENTED CLICK: The new Vin Bouquet Vacuum Pump has been incorporated into the new Vin Bouquet Vacuum Pump, a Click system that alerts you when the hermetic vacuum of the bottle has been done correctly. INCLUDES: Vacuum pump and 2 stoppers with date display.