Powerstate brushless motor provides more power and longer motor life. RedLink Plus intelligence system delivers advanced digital overload protection and enhances performance under load. Auto-Start technology ensures power only engages when screw gun is pushed into the material during application, delivering greatly extended run time. Quick-release _” hex chuck for easy bit change. Fine adjustment nose cone for setting desired countersink levels in single screw applications. Removable collated attachment allows gun to be used as a standalone screwdriver or as a collated screw gun. Design of collated attachment allows for easy cleaning of drywall dust.