Efficient performance:This cordless chainsaw is equipped with high quality chain and chain plate, with 19.7ft/s chain speed and 12inch chain plate length, it has excellent cutting performance and durability.Ease of use:This cordless chainsaw is equipped with an automatic lubricating system, which automatically supplies lubricating oil to the chain plate and chain when the machine is working. And the chain tension can be easily adjusted by hand without tools, tightening the chain instantly.Lightweight and portable:This cordless chainsaw is designed to be lightweight and portable with a compact size. Weighing only 8 pounds, just work by pressing the chain plate against the wood with very light pressure.Powerful battery system:This cordless chainsaw is equipped with a 18V 4.0Ah high-capacity battery and a fast charger (charging time is about 2-2.5H), the chainsaw can cut 70PCS 4* when the battery is fully charged 4inch square wood.Product details:Model:ELG05Working voltage(V):18Battery capacity:4AhChain speed(ft/s/s):19.7Rated voltage:DC 20VChain length(inch):12Oil tank volume(ml):100Gross weight(lb):11Net weight(lb):6.8Box size(inch):17.3 * 7.9 * 9.8Warm Reminder:1.Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energising power tools that have the switch on invites accidents.2.Remove any adjusting key or wrench before turning the power tool on Awrench or a key left attached to a rotating part of the power tool may result in personal injury.3.Do not overreach. Keep proper footing and balance at all times. Thisenables better control of the power tool in unexpected situations.