North America's most popular portable propane heater! This patented radiant 4,000 and 9,000 BTU propane heater connects directly to a 1-lb cylinder and is the perfect solution for heating workshops, tents or ice-shanty's up to 225 sq. ft. Featuring a convenient fold-down handle and an easy start piezo ignition system, lighting the Portable Buddy is a snap! And, with Mr. Heater's Advanced Safety Detection Systems including the Low Oxygen Safety System and Apex 30 degree tip-over detection, you can be confident and comfortable in any weather conditions. The Portable Buddy also features a patented swivel regulator for easy tank installation as well as the ability to connect to a remote 20-lb tank for hours more safe comfortable heat.