The EF6300iSDE Generator is Yamaha’s most powerful and advanced inverter generator. With sophisticated capabilities like dual 120-volt and 240-volt power, you can run almost any type of equipment with total confidence. From high-demand equipment such as well pumps, compressors, and RV air conditioners to sensitive electronics like plasma TVs, satellite receivers, and computers. The Pure Sine Wave (Pulse Width Modulation) Inverter System can run electronic equipment, appliances, variable-speed power tools, and computers. With its electric starting capability, the automatic choke makes for easy starting. It is ideal for outdoor recreation and power outage emergencies. Its excellent fuel efficiency means a run time of 13.3 hours at a constant ¼ load on just a single tank of gas. Smart Throttle automatically adjusts engine speed to match power demand and reduces noise, fuel consumption, and engine wear. The Oil Watch Warning System helps prevent engine damage from low oil and provides added peace of mind. The Noise Block sound reduction system makes it a very quiet generator for its output, 58-64 decibels. It has a fuel level gauge to see the fuel level at a glance, a power meter to see how much power is being used and how much power is available, and an hour meter to show accumulated running time for refueling and service scheduling. The lightweight, stylish design has a nice appearance and modern design. The twin bar aids lift and transport, and provides a security point. It is 50 state legal, meets CARB emissions regulations, and is given the highest EPA rating.