Product description

Light weight, battery powered, handheld power grass trimmer giving excellent performance alongside the benefits of 0 emissions, low noise and low vibration. Built to the same standards as all ECHO tools, the DSRM-310L features a large cutting swath, bump feed, comes standard with 2 extra cutting line spools. 
See it in action here 
4.0Ah Battery is recommended 

Trimmers and Pruners
Echo DSRM-310L