On the STEINEL Hot Air Tool HL 1820 S, the temperature not only adjusts from 120 to 750 to 1,100 degrees F in three stages, the airflow does too (4, 7 and 13 CFM). The heavy-duty hot air tool features optimized weight balance that virtually rules out fatigue while working. This hot air tool also includes an ergonomically shaped handle with a soft inlay that ensures optimum handling and the integrated thermal cut-out prevents overheating. Backed by a 1 year limited warranty.