Black & Decker 12 Volt 10-inch Cordless String Trimmer: * Patented gear-driven design for 10-inch cut path provides more torque/power to get the job done * Lightweight 7 lb. design make this trimmer a joy to use * 12V battery allows instant starting and provides plenty of run-time per charge * AFS" system uses centrifugal force to automatically advance line when needed * Soft grips provide maximum comfort * Groom "N" Edge" converts from trimming to edging with the touch of one button * battery charger with wall mount recharges battery overnight * Energy Star certified - Energy-efficient and offers savings on energy bills without sacrificing performance, features, or comfort