USB port: 5V500mA Output socket: ABCDEFG type optional Products Description : CARSPA mini car inverter convert 12/24V DC into 100-120V/220-240V ... to use and high efficiency·No wire is required.·Green LED for indicates the power on·Input & output isolation·Muti-protection ... function·USB output port: 5V500mA ( optional)·Socket type : A,B,C,D,E,F,G ,H,I ...