The brushless motor on this Makita cordless chainsaw allows it to perform equal to a 30cc class engine chainsaw The Makita DUC306 is a top handle chainsaw powered by 2 x 18V LXT batteries. It provides excellent cutting performance, equivalent to that of a 30cc petrol chainsaw. It features a fully brushless motor for maximum power and long life and an ergonomic soft grip for added comfort and reduced fatigue during use. The large separate-type metal spike bumper allows the spike to grip the workpiece firmly to provide more control and the electric chain break conserves battery power and decreases the likelihood of injury. Features: Captive nuts prevent loss of nut when removing sprocket cover to replace guide bar or saw chain Brushless motor Variable speed control by trigger Electric chain brake Kickback brake Oil Capacity Display Powered by two 18V batteries in series to supply energy to the powerful 36V DC motor drive system Main power switch with auto power-off function Hook located to position the guide bar straight down when the chain saw hangs from the user\'s waist Metal spike bumper firmly grips workpiece to provide more control, making cutting easier. Torque boost mode raises the current limit temporarily for faster cutting of thicker branches Comes With: Saw chain Guide bar Guide bar cover Spanner/screwdriver Oil Specification: Voltage: 36V (18V x 2) Chain Gauge: 0.043 \" Chain Pitch: 3/8 \" Chain Speed: 0-20 m/sec Bar Size: 30cm Noise sound pressure: 89 dB(A) Noise sound power: 103 dB(A) Noise K factor: 3 dB(A) Vibration K factor: 1.5 m/sec² Vibration: Cutting Wood: 3.2 m/sec² Net weight: 5kg