The DCD470 60V MAX* In-Line Stud and Joist Drill is DEWALT's most powerful drill on the market. It is designed to handle a wide range of large drilling applications. . Even with all this power the unit is designed to keep the user in control. In addition to the integral clutch, the DEWALT anti-rotation E-Clutch® System, offers technology capable of detecting the motion of the tool. This feature senses the motion of the tool and shuts it down if necessary. The red indicator LED illuminates when the E-Clutch® System is engaged.