Featuresr add 1 ac outlet and 4 usb charging portsr universal ac outlet and 4 usb charging ports enable you to charge up to one appliance and four usb powered devices simultaneouslyr sturdy and durabler use fireproof and high temperature resistant abs material durable for daily use with blue led light to indicate power connectionr safeguard your devicesr provides over current protection over voltage protection overheating protection and short circuit protectionr compact portabler compac