The EGO Power+ chain saw is built tough to tackle even the hardest jobs. Trunks, logs, branches, nothing gets in its way. The tool-free chain tensioning makes set up and adjustment simple. Check the lubrication level through the oil inspection window and youre ready to go. It really cuts it when it comes to safety too. The chain kickback and electric brake protect you while you work. And the auto-lubrication system keeps the chain spinning freely at all times. Plus with EGOs Arc Lithium 56v battery delivering such an impressive run time and incredible power on a single charge, itll keep you working cut after cut after cut after cut.