"This Powerblanket PRO Drum Heater offers a fast, safe, energy-saving way to heat plastic or metal drums. Powerblanket heats up faster, cools down slower and uses considerably less electricity than conventional band heaters. Plus, smart technology heats in three individual zones, delivering heat where needed and adjusts to varying content levels. U.S.A. Receptacle Type Required Standard, Plug Type Standard 3-prong, Capacity 55 gal., Adjustable Thermostat Yes, Thermostat Included Yes, UL Yes, Programmable No, Indicator Light No, Amps 6.5, Dimensions L x W in. 36 x 82, Product Style Blanket, Adjustable Strap Yes, Thermostat Range F 0-145, Compatible With Metal/poly drums, Power Cord ft. 6, Water Resistant Yes, Watts 780, Thermal Cutoff Safety Device Yes, Volts 120, Internal/External External warmer. Adjustable thermostat with Thermo Probe Adjustable straps for secure fit Built-in thermostatic shutdown prevents overheating Insulated full wrap design Weatherproof, water-resistant stands up well against the elements GreenHeat Technology offers uniform heat distribution while consuming low levels of energy"