Yamaha EF2800i, 2500 Running Watts/2800 Starting Watts, Gas Powered Portable Generator 2,800 Watt Maximum AC Output/2,500 Watt Rated AC Output Inverter system with Pulse Width Modulation (PWM) control Economy Control electrical governor - Improves fuel economy and reduces noise Multipole alternator - The compact design reduces weight, offering exceptional power output to weight ratio. CARB Compliant