IMPACT® 36 Plus is the world's first computer controlled RV generator. IMPACT® Series includes an inverter (WAVE SHAPER) for superior sine wave. Compatible with all electrical loads within its rating including the price entry microwave ovens and price entry power supplies. Longest running, longest life! Patented full pressure lubrication provides instant lubrication to all vital bearings on start-up, minimizes noise with advanced piston, camshaft and gear technologies allowing the engine to operate 40 to 50 degrees cooler than a typical engine. Designed with low-pressure shutdown and a large automotive style oil filter. Variable-speed reduces engine wear, fuel consumption and provides quiet operation. More wattage and less weight than any other RV genset. Single-side serviceability, Up-front design allows convenient access to spark plugs and other routine maintenance components. E.P.A. and C.A.R.B. certified. U.S.A.