Features and Functions: The microwave popper that really works! Pops with or without oil for popcorn the way you like it. Leaves virtually no unpopped kernels. PowerBase and PowerCup concentrates combine to focus microwave energy so effectively that virtually every kernel pops. Yellow, white or hybrid popcorn pop fast—up to 3 quarts in as little as 2 1/2 minutes. PowerCup concentrator can be used for multiple batches; a supply is included. Salt or other seasonings can be added before popping for easy, even distribution. Description: It pops up to three quarts of delicious popcorn in as little as 2 1/2 minutes. Pop with oil for a buttery flavor or without oil for a lighter snack. The exclusive PowerBase and PowerCup concentrators combine to focus microwave energy so effectively that virtually every kernel pops. The exclusive PowerBase and PowerCup concentrates combine to focus microwave energy so effectively that virtually every kernel pops.