30 day no-risk satisfaction guarantee and full two-year warranty Cordless convenience-requires no gas, oil or tune-ups Automatic Feed Spool (AFS) releases line as needed-no bumping required Groom'N'Edge button rotates 180-degrees for convert from trimming to edging 12-inch cut path-largest of any cordless electric string trimmer, get more done in less time, Weight: 13 lbs., Manufacturer: Black & Decker