The DEWALT DCH172 Ultra-Compact XR SDS Plus Rotary Hammer has a brushless motor for extreme run time and reduced maintenance. The 2-mode operation allows for either Rotary Hammer or Rotary Only modes. Compact, lightweight and ergonomic design for improved comfort and support during extended operating periods. A bright white LED with a delay feature improves visibility. There is also a convenient tether point so you can keep it secure when working at height. Specification: Modes: Rotary Hammer, Rotary Only No Load Speed: 1,060/min. Impact Rate: 0-4,980/bpm Max. Impact Energy: 1.4 joules Capacity: Wood 16mm, Concrete 16mm, Metal 10mm, Optimum Drilling Range 4 - 10 mm Weight: 1.8kg (without battery) The DEWALT DCH172D2 Ultra-Compact XR SDS Plus Rotary Hammer is supplied with: 2 x 18V 2.0Ah Li-ion Batteries1 x 10.8-18V DCB115 XR Multi-Voltage Li-ion Charger1 x Carry Case