... efficiency 4.Overload warning lamp 5. "Sine Wave" - INVERTER Inverter generator's advantage,1.By right of inverter, output frequency of ... work,inverter generator has less engine displacement, and it possesses other properties including small body, lightly weight, precious and portable designation.3 ... -enclosedDimension(mm)452*242*380Net weight(kg)14 New 1000W Portable Generator with Digital Inverter