DEWALT heat gun is battery-powered using the 20V MAX system, delivering up to 42 minutes of operation per charge under max load. It can heat surfaces up to 990°F and is suitable for tasks like softening glue, heat shrinking, paint removal, and thawing pipes or locks. Its compact cordless design offers excellent portability. Temperature is controlled by a two-position switch, and an LED light helps in dimly lit work areas.