DEWALT DCF840 XR Impact Driver with a high-power, brushless motor capable of outputting up to 192Nm of torque, ensuring heavy applications are completed quickly. Its compact design makes it ideal for a wide range of applications in construction, industrial and automotive environments. The LED ring light delivers the best visibility in the toughest environments.The DeWalt DCF840N 18v XR Brushless Impact Driver features a compact/ergonomic design, only 129mm from front to back. The improved RPM of 3200 coupled with 192nm delivers very fast application speed. Bit change made quick and easy by drop load bit holder.FeaturesCompact tool at only 129mm is very comfortable to use1/4″ (6.35mm) 'drop in' bit holder allows for quick, one handed fitmentHigh power yet compact Brushless motor outputs up to 192Nm of torque3200rpm ensures applications are completed quicklyCompatible with all DEWALT 18V XR battery packs3x LED “Halo” light ring offers excellent workpiece lightingPowerstack TechnologyPOWERSTACK battery technology – the most powerful, compact and lightest weight batteryGet ready for performance like you've never seen before. The 18V Dewalt Powerstack Compact Battery utilizes revolutionary stacked pouch battery cell technologyPacked with power – delivers 50% more power and features stacked pouch battery cell technologyWorks in tight spaces – Maximize space in your toolbox and get into hard to reach areas with a battery engineered 25% smallerWon't weight you down – Work overhead with a powerful battery weighing in 15% lighterLow impedance construction increases power.Delivers more power (v DCB183)Superior thermal performance versus cylindrical cells, thus increasing recharge cyclesSmaller than cylindrical cell batteries (no wasted space)Compatible with all 18v ToolsUsersGeneral tradesmanInterior installationDry linersElectriciansHeating and plumbing engineersHVAC installersCarpentersC.