OMNIHIL 9 Volt 1~1.5 Amp Power Adapter, AC to DC, 2.1mm X 5.5mm Plug, Regulated UL Listed 9v 1~1.5a Power Adapter Rating: World Wide 100V ~ 240V 50/60Hz High Quality PSU/Transformer / 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 REPLACEMENT WARRANTY