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.2 variable speed ranges (0-400/ 0-1320 rpm) to match appropriate speed to the applicationMagnesium gear case to reduce weight while maintaing jobsite durability.Power of the cord with cordless freedom60V MAX* Brushless Motor for increase power and runtimeTool Connect Tag Ready. Installing a DEWALT Tool Tag allows for tracking and locating of the drill using the DEWALT Tool Connect app.Quick-Shift Speed Selector allows the user to easily change speeds without having to feather the trigger.