USB output, Output Outlets : A,B,C,D,E,F,G type optional Products ... as laptops, DC players, phone chargers etc. USB charging port offers an additional choice for user. ... the power on·Input & output isolation·Muti-protection function·USB output port: 5V500mA ( optional)Protection Features: ·Low ... protection·Short circuit protection·Output Socket: A,B,C,D,E,F,G type optionalDetails : ModelCAR1001U- ...