Built for professionals, the versatile Westinghouse iPro4200 is an advanced open frame portable inverter generator powered by gasoline and is engineered for industrial-grade applications. With 4200 peak watts and 3500 rated watts at less than 3% Total Harmonic Distortion, the OSHA compliant iPro4200 is an essential as the smart portable power solution for your job site. Run your power tools and equipment songful outlets including six 120 V 20 A 5-20R household outlets and two 5 V USB ports with covers for receptacle protection. Automatic low oil shutoff and overload protection provide added safety while you’re busy conquering your workload. With a unique combination of an open frame design and inverter technology, there’s no need to sacrifice the power of traditional generators for maximum fuel efficiency. The iPro4200 is engineered to dynamically adjust its engine speed based on the power drawn from it to reduce exhaust emissions, extend the engine life, and boost fuel economy.