The DTD172Z is a compact and lightweight, cordless Impact Driver powered by 18V Li-ion LXT slide type battery (sold separately) to supply energy to the powerful 18v brushless motor, with variable speed controlled by trigger, to deliver up to 0-3,800, 3,600, 2,600, 1,100 ipm, 0,3600, 3,200, 2,100, 1,100 RPM and 180 Nm maximum tightening torque. iT is equipped with electric brake for increased operator safety, reverse switch, one touch bit installation designed to hold the bit more securely, LED job light to illuminate the work area and slim body to enable screwdriving in confined corners or spaces.