Desa 406011 is a 30,000 BTU portable heater designed for use in well-ventilated areas. It operates on regular household current (120 volts, 60 cycles) and draws 2.35 amps of AC current. The heater is equipped with a grounded 3-prong plug and should only be used with grounded electrical power outlets. Desa 406011 uses kerosene or No. 1 fuel oil and has a fuel tank capacity of 1.8 gallons. It features an adjustable thermostat, a reset button, and an air intake filter. The heater also has a lint filter and an output air filter that should be cleaned or replaced regularly.