biogas generator for farming,cooking,useful for home. biogas generatormodelTW1000HTW2000HTW5000HRated Voltage(V)110/220/380110/220/380110/220/380Rated Frequency(HZ)50/6050/6050/60Power Factor1Engine Typesingle cylinder,4-stroke,force air-cooledsingle phase,brushless single cylinder,4-stroke,force air-cooled single phase with brushsingle cylinder,4-stroke,force air-cooled single phase with ...