Equipped with a locking lid and a steam cap/vent to preserve moisture, this 420-watt electric appliance produces 1 to 5 cups of cooked rice and then automatically keeps the rice fresh, moist, and warm for hours. About 30 minutes is required to cook 5 cups, with an additional 15 minutes of warming recommended for maximum fluffiness. The cooker operates simply. Theres a single control to begin the cooking process, and lights signal when cooking ends and warming begins.