... size,easy to carry. A constant current,constant voltage mode.security protectionovervoltage protection:120%MINovercurrent protection:120%MINShort circuit protectionelectrical characteristicsFrequency ... CUL,FCC,GS,CE,CCC,PSE,SAA,EK,KC.CB,BS,BSMIcertification.TestBurn-in test:power supply be burn-in for ... .1A to 1.5A AA:outer plug 9W Swithing Power (BS Plug)