This Generator is 3000rpm, with battery.  New push button start.  On transport wheels.  Rated power : 5000W, engine: 389cc, 50Hz frequency, 1-phase.  Max output: 20.8Amps.  Noise level: 75dBA from 7M; 93dBA close around.  Size (mm): L-700 W-680 H-680.  With DC protector and low oil shut down. Gross weight: 99kgs.