18V X2 (36V) LXT BL Brushless Cordless 40 cm (16") Chain Saw. The two batteries in series provide perfect cutting performance. Portable & petrol-free; rid yourself of heavy fuel & chemical fumes: switch instead to the included twin charging port. With a brushless motor for increase power & battery efficiency, electric chain & electric kickback brake, main power switch with auto-off funtion & variable speed trigger, you know that you can use all of this power safer for longer. In combination with the metal spike bumper, adding grip to give you control & an easier cut, & the Battery Protection System, this is a chainsaw that you can trust to get the job done & keep you safe too. This saw even comes with a convinient oil capacity display, & captive nuts that help you keep everything together when replacing the chain or guide bar.