This Martin portable infrared radiator will be very useful during your camping trips and other outdoor excursions. Safe, silent, light and robust, this radiator runs on propane gas and will produce up to 10,000 BTU/h. The portable heater includes automatic low-oxygen safety shut-off system, safety tilt-switch that turns off heater if tilted, automatic lighting and adjustable temperature setting. It can run for up to 3.5 hours on 1 lb cylinder or up to 72 hours on 20 lb cylinder. A 6' gas hose is required for connecting a 20 lb propane cylinder. Hose and cylinders not included.