The new, battery operated, push button Rabbit Electric Wine Preserver from Metrokane is a fast and effective method for preserving that open bottle of wine. Simply place the Wine Preserver over the stopper and push the button on top. The Rabbit's sealing technology pulls a vacuum of 19HG in as little as 15 seconds, preserving your wine's flavor and bouquet and extending the life of an open bottle. The innovative timer light lets you know when the necessary vacuum has been achieved. So forget about all the pumping that conventional wine preservers require, and get yourself the push button Rabbit Electric Wine Preserver. 2 silicone wine stoppers included. Made of plastic and stainless steel. Operates on 2 AA batteries (included).