The EGO POWER+ 16" chain saw features a high-efficiency brushless motor that delivers power equivalent to a 40CC gas chainsaw. Powered by any EGO POWER+ 56V ARC Lithium™ battery. Features a tool-free chain tensioning system that allows fast,bar and chain adjustments through independent dials.16" bar and chain with 20m/s chain speed delivers efficient cuts. Auto oiling system keeps the saw lubricated. For added control and safety, the saw is equipped with metal bucking spikes and kickback brake.Includes 4ah Battery, Charger, gloves, and safety glasses