Stay warm with the convenient Mr. Heater(R) Little Buddy Heater! Simply connect to a 1 pound disposable propane cylinder to heat up to 100 square feet. The Little Buddy Heater is CSA certified for indoor use and features accidental tip-over shutoff as well as an oxygen depletion sensor for safety. Easy one-button ignition makes the Little Buddy Heater perfect for use in your garage or home, or for emergency use. FEATURES: Heats up to 100 sq ft Connects directly to a 1 lb disposable propane cylinder (not included) CSA certified for indoor use Easy one-button ignition Accidental tip-over safety shutoff Oxygen depletion sensor for safety Great for your garage, workshop, home or emergency use Operates for approximately 5 1/2 hours on one 1 lb propane cylinder Output: 3,800 BTUs/hr Note: Safe for indoor use where combustion air and ventilation are available. Not suitable for use in a moving vehicle. Model #: MH4B Due to state regulations this product is unable to ship to Massachusetts.