The DEWALT DCKO97D2 Brushless XR 20V MAX* Lithium Ion Blower and String Trimmer Combo Kit features a brushless motor which runs cooler and more efficiently enabling longer runtime between charges. Without the hassle of a pull cord, DEWALT Outdoor Equipment turns on with just the pull of a trigger, offering grab-and-go convenience with less wasted time. DEWALT 20V Bl/St Combo Kit