The Flame King Heater Blower provides comfortable warmth so you can stay cozy in the cold while maintaining efficiency. It features a built-in safety fuel shutoff and safety tilt shutoff to ensure headache free usage. It has a built-in auto piezo ignition and gas control button for added heat control. It is made to be powered with a propane tank using the hose with built-in regulator (included) and a standard wall plug in. It lasts up to 8-hours on a single 20-pound propane bottle (not included) at a 60,000 BTU output. It heats up to 1,500 square-feet at places such as construction sites, agricultural buildings, industrial workspaces, and remodeling jobs.