This WORX 18 in chainsaw starts instantly with powerful and consistent performance for most residential yard work projects. With the turn of a knob, the patented automatic, tool-free chain tensioning system delivers optimum tension during operation. Includes a 3 years warranty and 30 day money back guarantee. Our 18 in electric chainsaw is as capable as a gas-powered version, but with no fumes, less mess and considerably lower maintenance. Our patented system automatically ensures proper bar-and-chain tension. Oil lubrication is automated, too. There’s an oil reservoir with a level indicator built right in. Also equipped with a built-in chain brake for safety, it’s specially engineered to protect you in case of a kickback.Powerful 15 A motor offers consistent performance and durabilityLightweight, durable and dependable