Pops with hot air, not oil, for a healthy, low calorie treat Uses regular or gourmet popcorn and leaves virtually no unpopped kernels Pops up to 18 cups of gourmet popcorn in less than 2 1/2 minutes, as much as 40 percent faster than other leading hot air poppers. Buttermelter doubles as a handy measuring cup 120 volts AC, 1440 watt.