The dewalt dcm575 flex volt xr chainsaw has a high efficiency brushless motor with automatic oiling for reduced maintenance the tool free bar fitment and chain tensioning provides fast and easy chain adjustments uses a variable speed trigger so there is no pull starting and improved control during cutting the extensive over mould provides extra grip and comfort in prolonged use fitted with a 40cm oregon bar and chain dcm575x1 1 x 1854 volt 9030ah li ion battery dcm575n bare unit no battery or ch