HeatMate radiant heater has 10,000 BTU per hour output. Lightweight and portable. Safety features such as automatic shutoff and safety grills to protect against burns. Convenience features like easy-to-read fuel gauges and automatic ignition for fast, push-button starting, and quality construction. 3.8 liter cartridge fuel tank lifts out for easy filling, burns 10 to 12 hours per filling. UL listed. Banned in the State of Massachusetts, and if you live in the state of California or Wisconsin they are only to be used outside or in a well ventilated area such as a construction site. Radiant heat. Includes one wick. Replacement wick available.