Introducing the all new ego power + 18in chain saw. Everything on this saw screams innovation and power. The re-imagined chain tensioning system, tightens your chain with the twist of a dial, no need to take anything apart to get your chain set properly. An aggressive 18in bar and chain for taking down large branches, stumps and tall trees. The bright led lights illuminate your cut when you are cutting at dusk or in an emergency and there is no access to lights. features: auto tensioning system: tightens the chain with the twist of a dial 18in bar and chain 11,000 rpm’s: for efficient clean cuts brushless motor: extends the life of the tool bright led lights: illuminate your work area 5 year tool warranty, 3 year battery warranty