The RYOBI 40V Brushless Attachment Capable String Trimmer delivers GAS-LIKE POWER™ without the hassle of mixing oil and gas. Compatible with all RYOBI EXPAND-IT™ attachments you save time, money and space. This new trimmer delivers increased torque and line speed for powerful cutting. It also comes equipped with a variable speed trigger and two-speed switch making it easy to control. All backed by a 5 Year Limited Warranty!