On/off power switch. Built-in run-time fuel gauge. All steel cabinet and fuel tank. Flame out shut-off. Overheat shut-off. U.L. listed large capacity motor. Air flow is 600 CFM. Built-in thermostat. Dual BTU output. Heavy duty pneumatic tires. Built-in air pressure gauge. Dual lift handles. Extension cord wrap. Multi-fuel use (i.e. Kerosene, Diesel No.1 and No.2, JP8, and Jet A fuel).