Large silent muffler and balancer shaft inside along with high efficiency noise-proof material and vibration-reducing structure Specifications:1) Generator:a) Type: brushless alternator or alternator with brushb) Single-phase, 2 polesc) Voltage regulator: condenser typed) Frequency: 50/60Hze) Max. AC output: 5.5kVAf) Rated AC output: 4.8kVAg) Rated AC voltage (V): 110, 120, 220, 230, 110/220, 120 ...