These models are cordless top handle chain saws powered by two 18v li ion batteries in series to supply energy to the powerful 36v dc motor drive system. It has variable speed control by trigger to provide the user with optimal control. The duc306 also features a kickback brake and electric brake, making sure this chainsaw has versatility and safety covered. Please note to be used by trained tree surgeons only! Features benefits bull brushless motor bull captive nuts prevent loss of nut when removing sprocket cover bull electric chain brake bull hook located to position the guide bar straight down when the chain saw hangs from user's waist bull kickback brake bull main power switch with auto power off function bull metal spike bumper firmly grips workpiece to provide more control bull oil capacity display bull powered by two 18v li ion batteries in series bull powerful 36v dc motor drive system bull torque boost mode raises the current limit temporarily for faster cutting of thicker branches bull variable speed control by trigger specifications bull battery voltage 18v bull battery type lithium ion bull bar size 300mm bull chain gauge 0.043 bull chain pitch 3 8 bull chain speed 0 20 m sec bull noise k factor 3 dba bull noise sound power 103 dba bull noise sound pressure 89 dba bull vibration cutting wood 3.2 m secsup2 bull vibration k factor 1.5 m secsup2 bull net weight 4.6 – 5.1 kg contents bull makita duc306 twin 18v lxt cordless top handle chainsaw bull saw chain bull guide bar bull guide bar cover bull no batteries bull no charger