It turns any beverage container in a user-friendly beverage dispenser that eliminates the need to lift heavy bottles， and also prevents leaks， drips， and waste. Designed to be used with hot or cold drinks， It has a battery-powered motor to draw drinks up through the straw and out of the dispenser. Now kids can get their own juice， or you can quickly add milk to your cereal bowl. The item needs 2 AA batteries， not includedsizeL:Diameter:2.5cmUniversal cap fits most bottles and jars (excluding bottles)Not for use with carbonated beverages.package include:1* Magic tap