Extra high maximum tightening torque Brushless motor Electronic 3 stage impact power selection Standard bolt m12 to m30 High tensile bolt m10 to m24 1 year manufacturer warranty with a further 2 years when registered within 30 days of purchase. This guarantee does not apply where non-genuine or recommended parts or accessories are fitted to the tool. The use of non-genuine or compatible batteries and chargers with Makita Tools will invalidate the Makita guarantee for our tools. power source type: Battery powered, Weight: 7.936641432 pounds, Manufacturer: Makita