Dura heat, 7,500-10,000 btu, portable 360 degree single tank propane lp heater, gray/green, piezo ignition, heats in a 360 degree radius, built in oxygen depletion sensor, safety tip over shut off, protective grill guard, single 1 button lighting/heat control, swivel valve for easy loading, utilizes disposable 1 lb propane bottle, built in carry handle for easy mobility, 250 sqft outdoor & indoor options.