Featuresr dual usb car chargerr dual usb charging ports can charge two devices at optimal speeds simultaneously with 24 watts of rated powerr fast smart chargingr detect your devices and deliver the optimal current to connected devices intelligently max 5v 24a per usb port max 48a total usb outputr safe reliabler built in over heating over current over voltage over charging and short circuit protection safely guards your device with red led light to indicate power connectionr univ