The RYOBI 18V ONE+ HP String Trimmer sets the bar for high performance and advance technology. Simply insert any RYOBI 18V ONE+ battery and pull the trigger to start. The premium HP brushless motor provides more power, longer runtime and a longer motor life. This auto-feed trimmer gives the user all the power they would expect from a bump feed head. With the press of a button the shaft rotates so you can easily tackle any edging jobs. The variable speed trigger and 2-speed switch deliver increased control for any application. The adjustable 11 in. to 13 in. cutting width allows you to optimize your trimmer for increased runtime or increased productivity. Compatible with RYOBI 18V ONE+ batteries. This tool is back by a 3-Year Limited Warranty. Battery and charger not included.