2in1 DESIGN – Easily converts from a cordless string trimmer to a wheeled edger for versatile use..Watt Hours:50. AFS AUTOMATIC FEED SPOOL– Continuously feeds the trimmer line, which means no bumping for seamless, uninterrupted trimming. POWERDRIVE TRANSMISSION– Delivers increased torque for greater string power and cutting action in thicker grass and weeds. 2-SPEED CONTROL– Choose between more power or extended runtime. ADJUSTABLE HEIGHT AND SOFT-GRIP HANDLE – Provide convenient, customizable comfort and control for extended use. HIGH-PERFORMANCE BATTERY – LBXR2520 20V MAX* lithium ion battery provides 66% more battery capacity for a longer runtime (compared to LBXR20) and is compatible with other tools within the system. INCLUDES: (1) LST522 20V MAX* cordless trimmer/edger, (1) LBXR2520 extended-runtime lithium ion battery, (1) 20V MAX* charger, (1) AFS spool, (1) guard.