WATTS 550WMAX. OUTPUT CAPACITY 550WCOLOR BlackDIMENSION ( W / H / D ) 150mm(W)x86mm(H)x140mm(D)PFC (POWER FACTOR CORRECTION) Active PFCPOWER GOOD SIGNAL 100-150 msecHOLD UP TIME > 17msec at 80% loadINPUT CURRENT 12A-5AINPUT FREQUENCY RANGE 50Hz/60Hz