PowerSmart cordless electric lawn mower comes with a brushless motor, 40V 4.0 Ah Lithium-Ion battery provides you powerful back up for clearing the tallest and toughest grass.It has a 17 in. durable steel deck and easy push button starting. This cordless mower has 5-position height adjustment which allows you to change the cutting height to cut grass and overgrowth easily, cutting height in this push lawn mower can be adjusted between the range of 1.2 to 3.0 inch, cutting width is 17 inch, and it is ideal for medium size yards. 3-in-1 function allows for mulching, rear bagging or side discharge.This cordless battery lawn mower has 8 inch rear wheels for smooth traction while trimming your yard. High-efficiency brushless motor engineered to provide more power, torque, quiet operation and cuts over 1/3 acre in one full power battery.It covers a three years warranty.