The Bosch GDR18V-1860C is an ideal tool for professional-grade fastening applications The impact driver?s efficient, powerful brushless motor produces up to 1,860 In.-Lbs. of torque and 0-4,100 impacts per minute. In addition to three speed/torque settings this impact driver also features special modes to help prevent work piece and fastener damage. The presets include modes for self-drilling metal screws and wood screws. Additional modes and customizations for specific materials can be set and saved to the tool via the Bosch Toolbox App (connectivity module included). In reverse, with bolt mode activated, the Auto Bolt Release stops rotation when there is no load on the tool to help prevent accidentally dropping bolts and nuts during removal. In addition to customizing settings and modes, connectivity (module included), provides tool specific information and feedback. The variable-speed trigger provides accurate driving speed. It also has an LED light system to illuminate the work area. The kit features two CORE18V 4.0 Ah Compact Batteries, which deliver 2x the runtime compared to previous generation BAT612 2.0 Ah battery.