... max. Efficiency≥95%.8)pure sine wave output, automatically synchronized with the grid tracking, power factor close to 1.9)Fed into ... humidity0~90% no condensingProtectionInput short voltage,over voltage,connecting contrary,output over current,short circuit,over heat etc.Cooling methodNatural coolingNoise ... degreeIP65Size(W*L*H mm)380*490*255Weight(kg)4447 high quality,lowest price solar power inverter