Pail Heater, Current Rating 4.6 A, Environment Indoor, Outdoor, For Container Capacity 5 gal, For Container Material Type Metal, Plastic, For Container Type Pails, Thermostat Temperature -Maximum 85 Degrees F, Thermostat Temperature -Minimum 67 Degrees F, Operating Voltage 115V AC, Watt Density 5 W/sq in, Watts 550 W, Drum Diameter - Maximum 12 1/10 in, Drum Diameter - Minimum 11 1/10 in, Electrical Connection Type 5-15P Plug