DESIGN & DETAILS: Portable heater High/low settings Camouflage face plating keeps your heater hidden from deer and other game Two spare storage compartments can hold additional equipment 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