The 18V LXT Sub-Compact Brushless Impact Driver (DTD157ZB) is a fastening solution with significantly less weight (2.6 lbs/1.2 kg without battery). The 18V Sub-Compact Impact Driver offers the size and weight of lower voltage tools, but with the performance, power, and compatibility of 18-Volt. It has an efficient brushless motor with two speed settings and dual LED lights illuminate the work area. The innovative Assist Mode (A-mode) helps eliminate "screw cam-out" and "cross threading" by driving at low speed until tightening begins and is ideal for driving longer fasteners. It delivers 1,240 in.lbs. of Max Torque. It is a fastening solution with superior comfort and handling. Its part of Makitas expanding 18V LXT System, the worlds largest cordless tool system powered by 18V lithium-ion slide-style batteries. Makita 18V LXT Lithium-Ion Batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger