The iMow® robotic mowers independently ensure a perfectly cut lawn. And they do so extremely rapidly. Equipped with a powerful battery, the RMI 422 P can handle lawns up to 1000 m² (0.25 acre) and gradients up to 40 percent. Use the mobile app (iOS or Android) to control and contact your robotic mower any time, anywhere. iMow® is available in limited regions of Canada and sold and serviced at specially trained and authorized Dealers. Use the STIHL Dealer Locator to find your nearest iMow® Dealer. Featured price does not include installation.