The DEWALT Cordless Forced Air Propane Heater comes standard with a hose, regulator, and all the safety you would expect from DEWALT products. Equipped with factory installed high limit switches and a thermoelectric safety valve, you can feel comfortable using this heater on any jobsite. It features quiet burner technology for 50% less noise than other standard propane heaters of a similar size. With hybrid technology, it operates with a 20V MAX* battery (not included) or a 120V power supply. To operate via battery power, just insert any 20V MAX* or 20V/60V MAX* FLEXVOLT battery (not included) into the heater, hook up the included hose and regulator to a propane tank, and you are ready to cut the cord and take this heater anywhere.