The makita dtw1001 is a cordless impact wrench powered by 18v lithium-ion battery, with variable speed control by trigger, to deliver up to 2,200ipm, 1,800rpm and up to 1,050nm of maximum tightening torque. The brushless motor eliminates carbon brushes, enabling the motor to run cooler and more efficiently for longer life and is electronically controlled to optimise battery energy use for up to 50 percent longer run time per charge. Features & benefits extra high max tightening torque brushless motor electric brake variable speed control by trigger forward reverse rotation twin led job light with afterglow electronic 3-stage impact power selection hard medium soft compact and lightweight design best possible ergonomic handle specifications battery voltage: 18v battery type: makita lxt lithium-ion driving shank: 3 4 square impacts per minute: 0-1,800 2,000 2,200ipm max fastening torque impact drill: 300 600 1,050nm no load speed: 0-900 1,000 1,800rpm nut busting torque: 1,700nm product dimensions: 229x91x289mm sound noise uncertainty k factor : 3db a sound power level: 109db a sound pressure level: 98db a tightening capacity standard bolt: m12-m30 vibration level fastening bolt: 15.5M s vibration uncertainty k factor : 2.0M s weight: 3.4-3.7Kg contents makita dtw1001 18v lxt cordless brushless 3 4 drive impact wrench belt clip no batteries no charger no case