Specifications 4,000 starting watts / 3,000 watts High-performance alternator provides greater peak wattage which allows motor-driven appliances and tools to operate simultaneously Effortless start 4.0-gallon heavy-duty steel fuel tank Provides up to 12 hours of run time at 50% load Compact design is easy to transport yet powerful enough to meet your needs Intelligent Automatic Voltage Regulator (AVR) helps minimize voltage fluctuations and deliver consistent stable power under load Cast iron sleeves for engine provide durability and extended run life Low oil shut down automatically protects engine from potential damage Digital hour meter for monitoring runtimes and scheduling of maintenance intervals Low-tone muffler with reinforced steel to minimize the noise level Dual element air filter protects engine while allowing extended service interval One NEMA 120VAC 20A 5-20R outlets One 120VAC 30A TT-30R RV outlet Accessories: wheel kit and fold-down handle