Blanket Drum Heater, Current Rating 6.4 A, Environment Indoor, For Container Capacity 55 gal, For Container Material Type Plastic, For Container Type Drums, Thermostat Temperature -Maximum 160 Degrees F, Thermostat Temperature -Minimum 0 Degrees F, Operating Voltage 115V AC, Watt Density 1 W/sq in, Watts 770 W, Closure Method Hook and Loop, Controller Type Digital, Drum Diameter - Maximum 22 3/10 in, Drum Diameter - Minimum 22 3/10 in, Electrical Connection Type 3-Prong Plug, 5-15P Plug