The Kitchenrama 0.4 kW Electric Plate Warmer is used in commercial kitchens. The purpose of the appliance is to keep the food warm while in transit or when it’s time to serve the food. It comes with a power cord and has a temperature control that ranges from 120 to 200 degrees Fahrenheit. This Kitchenrama 0.4 kW Electric Plate Warmer can also be used in households. You can set it up on your table as a center piece and use it as a warming tray for your foods, or use it as a serving tray at room temperature to keep your food warm while you’re eating.