The Mr. Heater(R) Buddy(R) heater is ideal for use in your garage, large tent, patio, or for emergency use. This outdoor heater is easy to start, with a single control knob and integrated Piezo ingniter. The automatic low oxygen shutoff system as well as an accidental tip-over safety shutoff provide peace of mind. The Buddy heater is powerful enough to heat up to two hundred square feet. Low and high settings let you control the heat. FEATURES: 4,000 BTU or 9,000 BTU/hr High/low settings Compact cabinet size Single control knob Heats up to 200 square feet Fold down handle Swivel regulator lets you adapt to a 20 lb propane cylinder using a hose and filter (not included) Designed for outdoor use Automatic low oxygen shutoff Integrated Piezo ingniter Accidental tip-over safety shutoff Use with a 1 lb propane cylinder (not included) CSA certified This version of the Buddy Heater is approved to ship to Massachusetts