Silicon Rubber Heater, Current Rating 5.8 A, Environment Indoor, Outdoor, For Container Capacity 16 gal, For Container Material Type Metal, Plastic, For Container Type Drums, Thermostat Temperature -Maximum 85 Degrees F, Thermostat Temperature -Minimum 67 Degrees F, Operating Voltage 115V AC, Watt Density 5 W/sq in, Watts 700 W, Drum Diameter - Maximum 15 in, Drum Diameter - Minimum 14 in, Electrical Connection Type 5-15P Plug