Earthwise 10 in. Cordless Electric String Trimmer has a fast charge, rechargeable 20-Volt, 2.0 Amp lithium ion battery, delivering 9000 RPMs of power. The 4-position cutting head adjusts for any trimming and edging needs. The flip-down edge guard protects what you don't want trimmed, leaving you with the look of a professionally maintained yard. An upper handle rotates 180-Degrees for the right, comfortable hold and control. The auxiliary handle also adjusts front to back and left to right so those hard-to-reach areas are easily managed. Telescoping shaft adjusts to your personal preference. Rubber over molded handle for comfort grip. Automatic line feed eliminates the bumping action to advance more line 2-Year Warranty. No gas, no oil, no fumes.