Low Profile Hot Plate, 7 Inch ( 180 mm ). Circular designed aluminum hot plate with cast-in 1000W heating element. Epoxy-coated metal case housing, 4 inch High x 7 inch Wide. Demand -type, capillary thermostat has temperature range of 50 to 350 deg C ( 122 to 662 deg F ). Operates on 110 V AC.