This lightweight, easy-to-use tank-top heater directly connects to a propane cylinder to deliver heat to outdoor jobs, loading docks, camping and hunting trips, sporting events, and more. Tip-over safety shut-off valve shuts off automatically with loss of flame. High/Med/Low regulator for variable heat output settings (8,000 BTU/hr.; 12,000 BTU/hr.; 14,000 BTU/hr.). Soft nose P.O.L. For use with 5- to 20-lb. cynlinders (not included). Electronic spark ignition. Delivers instant heat. For outdoor use only. Run time on full tank: up to 52 hrs.