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.