BLACK+DECKER LCC140 40-volt Max String Trimmer and Sweeper Lithium Ion Co One 40V MAX Lithium Ion Battery - 2.0 Ahr for extended run time Includes 13" String Trimmer and Sweeper Two-Tools-in-One: Trimmer easily converts to edger to cut along sidewalks and driveways Sweeper is light and powerful and easily clears debris from hard surfaces like patios, decks, walks, drives and garages 40V MAX - 36V nominal voltage, system also works with other 40V MAX and 36V lithium tools.String Trimmer features an exclusive GEAR DRIVE(TM) transmission that delivers more cutting power