The BLACK+DECKER LCC221-CA 20V MAX Lithium 10 Inch String Trimmer/Edger + Hard Surface Sweeper Combo Kit is lightweight, quiet and comfortable to use, this combination kit leaves your yard looking professionally groomed. Neatly trim overgrowth and precision-edge borders after mowing, then clear debris from sidewalks and decks with ease. Trimmer head rotates 180 degrees to edge along sidewalks and driveways. Automatically feeds trimmer line when needed with no bumping required. The sweeper features optimized handle design and convenient button placement for improved user experience. Both tools use the 20V MAX Lithium Ion Batteries that hold a charge up to 18 months.