The RYOBI 18V ONE+ HP Brushless Dethatcher/Aerator is the perfect tool for maintaining a beautiful, healthy lawn. The powerful brushless motor, (2) 4Ah 18V ONE+ batteries, and dual active battery ports provide maximum performance, power, and runtime. It starts with just a push of a button, without the hassle of gas, oil, or maintenance. Use the 16 blade scarifying reel to remove layers of thatch and moss, allowing water, sunlight, and nutrients to reach the roots of the lawn. Quickly and easily switch to the aerator reel to perforate the soil, allowing the maximum amount of oxygen, moisture, and fertilizer to penetrate. The 4-position height adjustment provides user versatility, making it easy to choose the appropriate depth for varying grass heights. The scarifying blade reel is equipped with 16 durable stainless steel blades and the aerator has a 13"-14" clearing path to get the job done quickly. The folding handles on the unit make for easy storage in small spaces in your garage, shed, or workshop. This tool and the (2) included 4 Ah batteries are compatible with the RYOBI 18V ONE+ platform of tools, batteries, and chargers. The RYOBI 18V ONE+ HP Brushless Dethatcher/Aerator is backed by a 3-year limited warranty.