Variable Heat Settings From 750 To 1000-Degrees Fahrenheit. Adjust The Heat Output By Turning The Thumb Screw On The Adjustable Air Intake Cover To Change The Size Of The Intake Openings. Rugged, Lightweight And Professional For Heavy-Duty Jobs. Use For Industrial Plants, Production Lines, Plastic Fabrication, Home, Shop And Hobby. Fan-Only, Cool-Down Setting. Includes Replaceable Ceramic Heat Element. Produces 1680 Watts And 5700 BTUs.