This Bosch hammer drill is designed for tough jobs and includes a high-durability CORE18V battery. This drill has a 1/2" chuck, a brushless EC motor and a "Connected-Ready Compact Tough" Bluetooth(R) connectivity (which connects with an optional connectivity tool module). The drill can be linked to the free Bosch Toolbox app for more coordinated tool control and detailed feedback. The powerful brushless EC motor delivers 535 in/lb torque and up to 28,500 impacts per minute. It features variable speed parameters: you can choose between a high speed option (0-1900 RPM) and a high power option (0-600 RPM) .The drill incorporates the "Kickback Control" system to reduce the risk of sudden torque reaction. Lastly, the drill comes with a 20+1 precision clutch, a belt clip, and an all-metal chuck.