DuroStar DS4000S Gas Powered Portable Generator has 4000 Watt surge and 3300 watt continuous power providing capabilities, along with an automatic low oil shutoff sensor to keep the engine protected. It is EPA Approved and features an EZ-Pull recoil start, 2 completely protected 120V outlets and a 120V twist-lock outlet. It provides users with an 8 hour run time on a 4 Gallon full gas tank and is equipped with a super quiet muffler that helps in reducing engine noise.