This RYOBI ONE+ 18-Volt Lithium-Ion Cordless String Trimmer/Edger features 20% more power than the previous model, but at just 6 lbs. it is lightweight and easy to handle. With up to 30 minutes of run time, the Variable SPEED Trigger and 10-12 cut swath give you ultimate control with the option to maximize on run time or power. This unit is backed by a 3-Year Limited Warranty.