It is ensures quick and easy socket changes It provides control over output speed and power Auto Shut – Off Mode prevents over tightening and increases productivity Redlink plus intelligence ensures maximum performance and protects from overloads, heating, over – dischargeMilwaukee M18 FUEL 1/2” Compact Impact Wrench with Friction Ring is delivers maximum access in tight spaces, nut – busting torque, and maximum workspace visibility. This battery – powered impact wrench, with a powerstate brushless motor to provide the power to remove stubborn fasteners, even in confined spaces. It is tri – LEDs that surround the anvil to deliver the user brighter light with fewer shadows. The redlink plus intelligence electronics make these controls possible while ensuring maximum performance, protecting the tool against overloads, over – heating, and over – discharge.