IC circuit, protect over-current, over voltage, overload,short circuit USB charger cable Connector 1 : USB2.0 A male, Connector 2 : DC 5.5*2.1mm Function Voltage setup 5V to 12V Input V/A : 5V/2A, Output V/A : 12V/0.7A Cable length : 1m Application : Wi-Fi Router, Wi-Fi Modem, Speakers, Fan, Table Lamp, Audio