The RYOBI 18V ONE+ HP Brushless Hybrid Forced Air Propane Heater features ONE+ HP Technology, delivering more power, runtime, and durability utilizing a brushless motor, advanced electronics and HIGH PERFORMANCE lithium technology. This heater features a temperature control dial allowing for 75,000 - 125,000 BTU to customize heat output. Cold job sites, construction sites or outdoor events are a thing of the past with heat coverage spanning up to 3,125 sq. ft. For ultimate convenience, this heater has the ability to run on any RYOBI ONE+ battery or extension cord providing easy, worry-free start up every time with the electronic ignition. The durable metal construction and integrated carry handle makes it the ideal outdoor heating solution. Best of all, it is part of the RYOBI ONE+ system