... AC2.output voltage:6v3.output current:1000mA –2000MA4.over current protection and short circuit protection.5.High efficiency ... :over 82%6.CE,KC,FCC,ERP,ROHS,7. ... ,US,etc......... Protection :overtemperature protectionovervoltage protectionshort circuit protection USB adapter suitable for occasions & crowd1.hotels,banks,gift company,supermarket2. ...