Kalorik 2-in-1 Stainless Steel Wine Opener and Preserver High-tech, rechargeable, cordless 2 in 1 electric wine opener and preserver (one function on each end of the unit) The cork is automatically pulled out and released, can open 30 bottles when fully charged and vacuum 50 bottles Just press down the wine preserver against the bottleneck, it takes 20 seconds to vacuum a bottle automatically to avoid wine oxidation Blue light when charging or in use 8-10 hours charging for full capacity