The DEWALT DCD444 XR FlexVolt ADVANTAGE Stud &Joist Drill comes for drilling in tight areas. To aid in user control, E-Clutch System shuts the tool down if necessary, in a bind up situation. A red indicator LED illuminates when the anti-rotation system is engaged so you'll know as soon as it has been activated. FlexVolt ADVANTAGE technology. This unique electronic module features pack identification technology. This enables the tool to recognise when an XR FLEXVOLT battery is attached and ready to unlock even more power. Comes as a Bare Unit - No Battery or Charger supplied. Specifications: No Load Speed: 0-1, 250/min. Max. Torque: 233Nm. Chuck Capacity: 13mm. Max. Capacity: Wood 102mm. Weight: 4.1kg (without battery) .