The higher the microwave wattage, that faster your food cooks. The Sharp R-220DW microwave runs on 800 watts of power, a high wattage. This microwave also has a standard frequency of 2450 megahertz. The sugars, water and fats in your food absorb this frequency, producing heat and a fast vibration that cook your food. Plug the microwave into a standard U.S. household 120-volt AC outlet.
The outside dimensions for the microwave include a width of 18 1/8 inches, a height of 10 7/8 inches and a depth of 14 1/8 inches. The interior has a width of 12 1/2 inches, a height of 8 inches, and a depth of 13 1/4 inches. The microwave oven's capacity is 0.8 cubic feet, and the oven weighs about 22.7 pounds.
The removable turntable system, which turns clockwise or counterclockwise for uniform cooking, has a diameter of 10 3/4 inches.
The Sharp R-220DW has a one-year warranty for labor and parts. The warranty extends for another four years for the replacement of the magnetron tube parts only. The magnetron tube heats the microwave cavity using radio waves. The owner is responsible for replacing the light bulb and turntable.