DESIGN & DETAILS: Portable heater High/low settings Compact cabinet size Single control start knob Heats up to 225 sq. ft. Fold down handle Use with a 1 lb. propane cylinder Designed for indoor or outdoor use Automatic low oxygen shutoff Integrated Piezo igniter Accidental tip-over safety shutoff Swivel regulator adapts to 20 lb. propane cylinder by using a hose and filter