Remember when you kept the lights on Keep your family safe during power outages and natural disasters with the WEN Products 6 .250-Watt RV and Transfer-Switch Ready Inverter Generator. The included inverter provides clean energy . free of voltage spikes and drops. Designed to mirror a pure sine wave . this unit limits total harmonic distortion to under 0.5 percent at no load and under 1.5 percent at full load . making it safe to run laptops . cellphones . monitors . tablets and other sensitive electronics. Our ultra-efficient 4.2-gallon tank provides up to 8.1 hours of half-load run time. The fully-packed panel comes equipped with two three-prong 120V NEMA 5-20R receptacles . two 5V USB ports . one 120V/240V transfer-switch-ready NEMA L14-30R twist lock receptacle . and one 120V RV-ready TT-30R receptacle. Maximize fuel economy and runtime by engaging the eco-mode switch. This allows the generator’s engine to automatically adjust its fuel consumption as items are plugged into and unplugged from the panel . minimizing noise and fuel usage whenever possible. While the included wheel and handle kit makes for easy transport and storage between uses. The panel’s data meter monitors the voltage . frequency . total runtime . and session runtime. Low-oil shutdown . combined with the built-in overload protection and indicator lights . safeguard both your generator and your electronics from damage.