This portable heater heats up to 3,200 sq. ft. with its 125,000-BTU output. Features continuous-spark ignition, single-handed ignition, adjustable heat angle, and automatic overheat shut-off. 10′ hose and regulator included. Operates 17 to 30 hours on a 100-lb. propane gas cylinder (sold separately). Operates best with 100 lb. & larger propane tanks. Requires electricity for proper operation.