Portable Golf/Marine Outdoor Propane Infrared Radiant Heater operates on 8 hours on a 16.4 oz. disposable propane cylinder and supplies 3,500 BTUs of heat. Heater has a whisper quiet operation and a matchless electronic ignition with a durable heat reflector. Designed to handle a golf carts bumpy ride. Fits in a golf carts cup holder with included adapter and can also be used on a tabletop (stand included).