This Bosch 18V PROFACTOR hammer drill/driver is built for tough drilling and driving jobs, especially drilling large holes straight. The 1/2 In. GSB18V-1330C Hammer Drill/Driver is part of the PROFACTOR System, which pairs BITURBO Brushless Technology with a CORE18V High Power Battery. BITURBO Brushless Technology is a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools. This GSB18V-1330C 18V Connected-Ready 1/2 In. Hammer Drill/Driver features connectivity (module sold separately), linking to connected device via Bosch Toolbox App to customize settings, set custom angles, receive feedback and set specific angles for the Electronic Angle Detection feature. It has a powerful brushless motor that provides efficient power for up to 1,330 In.-Lbs. of max torque. It has variable speed settings: high speed (0-2,200 rpm) and high power (0-550 rpm). The hammer drill/driver has KickBack Control, which helps reduce the risk of injury from sudden rotational torque reaction in a bind-up scenario and Electronic Angle Detection to ensure accurate drilling at angle. The 25 clutch settings help reduce fastener damage. It has an all-metal chuck that provides durability. The kit includes a CORE18V 8 Ah High Power Battery, which delivers 50 Percent more runtime and over 75 Percent more power than the CORE18V 4 Ah battery, powering high-demand applications.