... Scope of application:Home,Bank,Small factory,Hospital,Shool,Supermarket,Store,Restaurant,Hotel and so on. OptionalAC output voltage 220V/110VAC ... rain proof*Digital display*With wheels,movable*Engine oil warning system*Big air cleaner Product ModelORL465F1-12-EORL465F1-15-EORL465F1-18 ... noise, Box cabinet20`FCL22 UNITS40`FCL48 UNITS40HQFCL72 UNITS 15KW LPG electric generator set water cooling system