... to AC100-120/220-240V, 50/60Hz, with USB output DC 5V, FM transformer 1. DC/12V to AC100-120/220-240V ... , 50/60Hz, with DC 5V USB output, FM transformer2 ... and high voltage protection,5. The over loading output/high temperature protection;6. The short circuit protection,autoatic resume7. Packing:1pc ...