Sweeper Is Ideal For Clearing Driveways Sidewalks Decks & Garages String Trimmer Features Automatic Feed Spool (afs) That Feeds Trimmer Line With No Bumping Required Easily Converts From Trimmer To Wheeled Edger Lightweight Design Adjustable Height & Handle For User Comfort Low Noise 20v Max Li-ion 1.5ah Battery Holds A Charge Up To 18 Months