20-Volt MAX Cordless String Grass Trimmer, 12-In., Lithium-Iom Battery

20v max lithium string trimmer, runtime extender technology, accelerator, override extender, tackle brush & weeds faster, 12" swath, speed control, power command line feed .065" line, patented gear drive transmission, maintains constant speed won't slow down during trimming, wheeled edge, uses one 3.0ah battery pack, included.