OMNIHIL Replacement AC/DC Power Adapter/Adaptor for Snom 300, 320, 360, 370, 710, 720, 760, 820, 821, 870 VoIP Phone Switching Power Supply Cord Cable PS Wall Home Charger Mains PSU 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 3RD-PARTY ADAPTER NON OEM PARTS