The Makita 36v (18v x2) Cordless Brushless Chainsaw, DUC355Z, features Makita's famous Outer Rotor Brushless Motor powered by two 18v Li- ion batteries. Eliminating the need to mix fuel and 2-stroke oil the saw is also quiet and starts at the press of a button. Kit Includes: 1 x DUC355Z Chainsaw 2 x BL1850 5.0ah Batteries1 x DC18SH Charger The DUC355Z is the same as the DUC353Z but offers a keyed chain adjustment. A traditional keyed chain adjustment is often preferred as the wrench offers greater leverage to tighten to the desired level of tension. The saw boasts an impressive no load chain speed of 1,200m/min, variable speed trigger and captive bar nuts suitable for a range of applications. Automatic chain lubrication, the amount of chain oil can be regulated allowing the user to make adjustments based on whether they are cutting hard or soft wood, and it has a mains power switch with auto power off function which automatically turns off the chainsaw after no activity for 1 minute.