Desa Tech 356020 is a portable 70,000 BTU heater that runs on kerosene or No. 1 fuel oil. It's designed to heat well-ventilated areas like construction sites and animal stables. The heater has a safety compliance that meets ANSI A10.10-1981 standards. Its safety features include a safety control reset button, and a three prong plug for use with a grounded outlet or adapter. To operate, fill the fuel tank, plug the heater into an outlet, and press the reset button. To stop the heater, unplug it or turn the thermostat dial to the "OFF" or "NO HEAT" position.