... U: 18-220V 4)Freq: 50/60HZ Single-phase 7KW AVR(1)Function: short-circuit function, sampling-circuit protection, overload protection ... 228G.(7)Installation-center distance: 141+-1MM.Fit for all Generators:Honda,TTI,Sumec,Changfa,Seeyes,Kipor,United Power,Tiger,Laptop ...