BriskHeat GDPCS15 Drum Heater, 115V AC, 300 W, 0°F to 160°F, For 55 gal Plastic Drum, NEMA 5 15P 2DT97 Series F980 Series F980 Type Analog Load Ranges 100 A Voltage Range 0 to 16V Works With 6V and 12V Batteries Display Analog Probe Red (+) and Black ( ) Clamps Construction Heavy Duty Product Type Battery Load Tester Display Type Analog Digital Display Screen Type No Display Load Amperage 100 A Minimum Input Voltage 0 V DC Includes Tester Batteries Yes Maximum Input Voltage 16 V DC Batteries Tested 12V 22 1 3 in Strap Width 3 in Width 4 in Height 1 4 in Drum Diameter Maximum 22 1 3 in Heater Width 4 in Heater Length 70 in Power Cord Length 6 ft Watts 300 W Amps AC 2 Also known as drum heating belts