Ideal for maintaining proper temperatures of bulk food during transport. Allows delivery of both hot and cold food in one unit. Both sides maintain food product at safe temperatures without power for up to 30 minutes. Heating and cooling are recirculating forced air downdraft design. Fully self-contained refrigeration system is easy to service, and virtually maintenance free. Chilled compartment maintains a temperature range of 34 to 40 degrees F. Heated compartment has a vented tunnel in back for even heat distribution, and maintains a temperature range of 180 to 200 degrees F. Single on/off switch controls both compartments. Mechanical thermostats with light powered digital temperature read-outs function when unit is unplugged. Stainless steel interior and exterior. Removable gasket ensures positive door seal. One-year parts & labor warranty with an additional four years parts warranty on condensing unit.