http://tinyurl.com/mcx8wxmBlack & Decker LST220 12-Inch 20-Volt Lithium-Ion Cordless GrassHog Trimmer/EdgerProduct Review Click on the link for more reviewsEasily converts from trimmer to edger with a quick turn of the shaftPowered by 20-volt MAX lithium-ion battery, with longer lifespan and charge retention than NiCad batteriesPowerDrive Transmission delivers more power from the motor to the cutting stringAutomatic Feed Spool ensures continuous work without bumping2-year limited warranty; includes battery and Energy Star-qualified charger