The EGO POWER+ Power Head is the core of your POWER+ Multi-Head System and works with the full assortment of Multi-Head System Attachments. Its high-efficiency brushless motor delivers long runtimes, low vibrations, and an extended tool life. The Power Head features an extremely durable carbon fiber shaft backed by a lifetime warranty. Its digital two-speed selector and indicator allow you to toggle between high and low speeds while the variable speed trigger delivers ultimate control. Use the EGO POWER+ 8" Carbon Fiber Edger Attachment to create and maintain clean and precise edges around your driveway, sidewalks, and patio. This 8-inch edger attachment features a lightweight and durable carbon fiber shaft protected by a lifetime warranty. The edgers guide wheel features a depth adjustment knob for quick and easy adjustments to customize your edge to a depth of 3 inches. EGO attachments are designed specifically for your EGO POWER+ Power Head and offer the highest quality and performance. The included EGO 56V 2.5Ah ARC Lithium Battery uses industry-leading technology to deliver Power Beyond Belief. Its patented ARC Lithium design keeps the battery from overheating by pushing heat away so your equipment runs longer at full power. Its durable, shock-resistant design protects batteries from drops and the elements. Intelligent power management monitors and optimizes each individual battery cell to maximize power, performance, and runtime.