40V STRING TRIMMER – powers through the toughest grass and weeds.Speed : 7500 (±10%) RPM 12” CUTTING PATH - .065” line, auto feed head for quick and easy line advancement VARIABLE SPEED TRIGGER – allows you to control cutting speed on the go, so you can easily maneuver around plants and shrubs LIGHTWEIGHT – ultra lightweight design, along with superior ergonomics allow for reduced user fatigue EASY TO USE – Push button start. Included 4.0Ah battery recharges in 120 minutes MAINTENANCE FREE – this string trimmer is virtually maintenance free, with no gas, no oil, and no emissions. It starts instantly, is quiet, and delivers to the power you need