Socket-ready chuck all-in-one impact driver and impact wrench with a 1/4 in quick-change hex and 1/2 in square drive chuck for sockets. Brushless motor provides up to twice as much motor life and superior efficiency for longer runtime. Charge wireless batteries anytime and anywhere, without having to remove them from the tool. Performance Control System—select between 3 speed and torque settings to maximize power or minimize fastener damage. Highest torque output in its class at 1650 in lbs. 3 LED design provides maximum illumination of work area without shadows. Advanced electronic motor and cell protection help prevent overheating and overloading. Cool pack technology—advanced heat conductive housing keeps battery cooler and extends life. Integrated battery fuel gauge for fast and easy charge status. Easy access customizable charging and storage solution mounts to any flat surface.