Drum Heater, Current Rating 2.3 A, Environment Indoor, Outdoor, For Container Capacity 5 gal, For Container Material Type Metal, For Container Type Drums, Thermostat Temperature -Maximum 160 Degrees F, Thermostat Temperature -Minimum 0 Degrees F, Operating Voltage 230V AC, Watt Density 4 W/sq in, Watts 550 W, Closure Method Spring, Controller Type Digital, Drum Diameter - Maximum 11 1/8 in, Electrical Connection Type 5-15P Plug