The makita dhr182 is an 18mm cordless brushless sds plus rotary hammer drill powered by 18v lxt lithium-ion batteries. This model is designed to be compact and lightweight to reduce tiring when in use and to access hard to reach places. The dhr182 has 3 operating modes rotary, rotary hammer and hammer only meaning this unit can be used in many applications without needing to carry other machines. To increase visibility the unit has a built-in led work light and the brushless motor ensures maximum power. Features & benefits brushless motor electric brake variable speed control by trigger constant speed control forward reverse rotation led work light 3 operating modes ro rh ho torque limiter anti vibration technology auto-start wireless system aws depth gauge ergonomic soft grip compact and lightweight design one touch slide chuck for sds-plus bit specifications battery type: makita lxt lithium-ion voltage: 18v capacity in concrete: 18mm capacity in steel: 13mm capacity in wood: 24mm max in concrete tct core : 35mm max in concrete diamond core : 32mm optimum drilling range: 4 10mm impact energy: 1.7J shank: sds plus blows per min: 0 5000bpm noise sound pressure: 89db a noise sound power: 100db a noise k factor: 3db a no load speed: 0 1350rpm vibration k factor: 1.5M sec vibration hammer drilling : 11m sec contents makita dhr182 18v lxt cordless brushless sds plus rotary hammer drill type 4 makpac connector case no battery no charger