Tanga has the Electric Vacuum Wine Preserver with LED Indicator for $7.99 (regularly $29.99) for a limited time. Shipping adds $3.99.

Every wine enthusiast knows once wine has been exposed to oxygen, the bouquet, flavor and color changes. Unfinished wine becomes undrinkable after less than 12 hours. The electronic wine preserver creates a vacuum seal on your opened bottles, slowing the oxidation process without any manual pumping. With simple one-button operation and easy-to-read LED indicators, you can rest assured that the sealing process is optimal every time. The electric wine preserve can extend the life of your favorite wine for up to 9 days. Powered by only 2 x “AAA” batteries, you can get more enjoyment and use from your favorite wine with the press of a button.