The XCU04PT1 has a 16” guide bar and the Makita-built Outer Rotor BL™ Brushless Motor direct drive system motor with variable speed delivers 0-3,940 FPM for increased cutting speed. It has zero emissions and reduced maintenance: there's no engine oil to change, no spark plug to replace, and no air filter or muffler to clean. And there's no need to drain the fuel for storage. Simply pick it up, load two 18V LXT® Lithium-Ion batteries, and the saw is ready to use. Convenience features include a tool-less chain adjustments, a front hand guard engineered to actuate chain brake when engaged, an electric brake for maximum productivity, and more. 2 batteries & 1 charger included.