OMNIHIL 5 Volt 2 Amp Power Adapter, AC to DC, 2.1mm X 5.5mm Plug, Regulated 5v 2a Power Supply Wall Plug Adapter Rating: World Wide 100V ~ 240V 50/60Hz All products are tested to exceed/meet standard specification OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE WARRANTY