POWERFUL, LIGHTWEIGHT AND COMPACT 30 CM ELECTRIC CHAINSAW - it weighs only 2.6 kg, has comfortable ergonomic handles and a 30 cm chain guide that cuts logs and small trees effortlessly EFFICIENT, SAFE AND FAST CUTTING - the chain speed of 4.2 m/s allows for quick and clean cuts - it has never been easier to cut wood. In addition, a two-button safety function prevents accidental starting THE CHAIN IS EASY TO HOLD AND AUTOMATICALLY OILED - no tools required to adjust chain tension. And it stays lubricated thanks to an automatic lubrication system equipped with a large 200 ml translucent reservoir. FOR USE WITH ANY BATTERY GREENWORKS 40V 2Ah or 4Ah - special “tool only” pack delivered without battery. If you already have a tool Greenworks 40V, use the same battery to save space and reduce costs and waste 3 YEAR WARRANTY - Buy Greenworks , a global leader in power tools and battery technology, known globally for smart designs, high performance, and exceptional customer service Note Be sure to check and tighten the chain before use Remove burrs from the edges and level the knives with a flat file Replace the guide bar if the groove does not match the height of the drive links (which should never touch the bottom) or the inside of the guide bar is worn and causes the chain to lean to one side, Weight: 5.732018812 pounds, Manufacturer: Greenworks