The DEWALT DCD150 XR FlexVolt Diamond Drill has a powerful brushless motor and 3 speed gear box, provides maximum performance. It's easy to select the correct speed/core size thanks to the 3 mode selector switch.Wireless Tool Control compatible. This allows the extractor to be wirelessly paired with another Wireless Tool Control enabled device for automatic activation and shut down via the app.Works with WTC water supply or dust extraction. Compatible with the DEWALT DCPS151 POWERSHIFT Core Drill Stand (Sold Separately).Specifications:Core Bit Connection: 1 UNC (external) / BSP (internal).No Load Speed: 0-450/0-900/0-1,400/min.Max. Core Drilling Diameter: 162mm.Weight: 4.1kg.