Coleman SportCat PerfecTemp Catalytic Heater with Mini Tool Box (Cog) 1,500 BTU unit runs up to 14 hours on one 16.4-oz. propane cylinder (sold separately) PerfecTemp Catalytic technology for safe, efficient flameless heat -- at the game, in the tent, in the garage or around the home Easy-grip handle for convenient carrying Tie heater to most surfaces with built-in eyelets Detachable base stabilizes heater