The RYOBI 18V ONE+ HP 15” Attachment Capable String Trimmer Kit delivers 4.5X more power making it ideal for a medium sized yard. ONE+ HP technology combines a powerful brushless motor, advanced electronics, and high performance lithium technology to provide more power, runtime, and durability. Save money, time, & space with attachment capability & transform your string trimmer into a variety of tools. This trimmer is compatible with RYOBI EXPAND-IT attachments & other universal attachments to take on any job around the yard. Tackle thick weeds & grass with the adjustable 13”-15” cut swath. A larger cut swath will give you maximum performance while a smaller cut swath gives you maximum runtime. Achieve maximum control with the variable speed trigger & easily change the speed with the 2 speed switch for optimal power/runtime. Conveniently reload your line in under 60 seconds with the REEL EASY+ bump-feed head. Best of all, it is part of the RYOBI ONE+ system where any 18V ONE+ battery works with any 18V ONE+ product. The RYOBI 18V ONE+ 15” String Trimmer Kit is backed by the RYOBI 3-Year Manufacturer's Warranty and includes 18V EXPAND-IT Brushless Power Head, Straight Shaft EXPAND-IT String Trimmer Attachment, 18V 6Ah Battery, 18V Charger, Front Handle, Grass Deflector SPEED WINDER, .080" Replacement Bulk Line, and Operator’s Manuals.