Worx WG155 20V MAX Cordless Lithium 10-Inch String Trimmer/Edger, Battery and Charger Included 2-in-1 grass trimmer/edger 20-volt lithium 1.5 ah batter Autofeed trimmer line - no bump Tool-less converstion from trimmer to edger with inline wheels 1x16 trimmer line Cordless electric trimmer with tool-less conversion to in-line edger; comes with quick charger for 1-hour battery recharging Automatic line feeding; telescopic shaft; fully adjustable trimming head Twin in-line wheel set adds accuracy to edging around vegetation beds, sidewalks, and more Includes three single-line spools of trimmer line (0.065 line diameter) Backed by a two-year limited warranty