It requires little to no assembly, is 98% fuel efficient, and covers areas up to 1,200 sq.  ft.  Included are overheat shutoff protection, a built-in carrying handle, flameout sensor, and run-time fuel gauge. 
50,000 BTU
Heats up to 1,200 sq. ft. 
Easy Lift Carrying Handle
Sturdy, Rugged Construction
Fuel Capacity: 5 Gallons