*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CALIFORNIA AND MASSACHUSETTS The Big Buddy Propane Heater by Mr. Heater is the latest evolution in portable heat-with the capacity to heat up to 400 square feet. It combines radiant heat comfort with fan-powered convection heat for maximum heating efficiency, providing safe, reliable heat anytime. Use it for emergency situations, workshops, garages, storage buildings, construction trailers, barns, tents, patios, porches, cabins, fishing shanties, truck caps, barns -- anywhere you want to stay warm. May also be used inside your home in case of a power outage. Swivel-out propane cylinder mount makes cylinder installation easy. Convert for extended use with 20 lb. propane cylinder w/ optional 5' or 12' hose(hose not included) and required fuel filter.Designed and approved for emergency indoor & outdoor use Automatic low oxygen shutoff system Accidental tip-over safety shutoff Heats up to 400 sq. ft. Connects directly to two 1 lb. propane cylinders or to a 20 lb. cylinder w/optional hose (propane not included) CSA certified Easy carry handle Four position heat control with built-in Piezo Ignition-pilot/low/medium/high with 4,000, 9,000 and 18,000 BTUs Heavy duty safety wire guard Size: L 10.25" x W 15.50" x H 16.50"