Drum Heater Electric Watts 1920-960-480 16.0 Amps AC Voltage 120 Watt Density 9.60W/sq. in. Control Range 200 Degrees to 400 Degrees F Length 58-1/8 In. Height 5 In. Drum Capacity 30 gal. Drum Dia 18-1/2 In. Standards UL/CSA Certified For Use With Steel Drum Includes 6 ft Cord with NEMA 5-20 Plug