RYOBI introduces the 20 -Inch 40V Brushless Lithium-Ion Cordless Smart Trek Self-Propelled Lawn Mower. This self-propelled mower features SMART TREK technology that adapts to the user's walking speed and has rear wheel drive for increased traction when mowing your yard. This mower delivers Gas Like Power with an intelligent brushless motor with load sensing technology, which allows it to detect and deliver the power needed to maintain an optimal cutting speed. Equipped with a large 20 -Inch cutting deck and 2-in-1 mulching and bagging option. This mower also includes convenient, easy to use features such as its easy push button start and 7-position single-point height adjustment. Adjustable telescopic handles to set the perfect height to maximize comfort and reduce fatigue. This mower has quick-release knobs and is designed to be stored vertically for easy and compact storage. Includes the 6.0 Ah 40v high capacity battery for extended runtime. Backed by a 5-year warranty.