The STIHL iMow® RMI 422 P is perfect for homeowners who are looking for the ultimate yard. This smart mower will quietly and efficiently mow your lawn for you. It automatically mows on a regular basis and can handle thick, rough grass and slopes up to 22°. The RMI 422 P is designed to cut yards up to ¼ acre in about 17 hours per week with its durable double-sided steel blade, adjustable cutting heights and high performance STIHL battery technology. It has automated and customizable features and will be customized specifically for your yard.