This 60V MAX* Quick Change Stud and Joist Drill is DEWALT's most powerful drill. It is designed to handle a wide range of large drilling applications. In addition to the integral clutch, the DEWALT anti-rotation E-Clutch System, offers technology capable of detecting the motion of the tool and shuts it down if necessary, in a bind up situation. The red indicator LED illuminates when the E-Clutch System is engaged.