BLACK+DECKER 12-Inch 12-Volt Cordless Electric String Trimmer and Edger CST2000 Convenient, cordless design, 12-inch cutting path, and a patented gear-driven design for effective trimming Unique spool system uses centrifugal force to automatically feed out more line when you need it Head rotates 180 degrees for quick switches from trimming to edging Weighs just 10 pounds; offers an adjustable handle for excellent control and comfort Includes 12-volt battery, charger, wall-mount charger bracket, and 2-year warranty