Variable Speed Self-Propel: 1.3 MPH to 3.1 MPH
56-volt
EGO Power ST1623T 56-Volt 16-Inch Cordless String Trimmer, 4.0Ah Battery, 320W Charger Included Plus Extra BA1400T 2.5Ah Battery
LINE IQ technology auto feeds the trimmer line for a continuous 16-inch cutting swath for bump-free, high-performance trimming; POWERLOAD technology automatically winds the trimmer line by feeding the line into the head and pressing a button