iCreatin 48V 65watt External Power Supply Adapter with 5.5x2.1mm DC Jack for PoE Switch injectors High quality design 48 volt 65 watt power supply for PoE injectors or switches Use either as primary power, or use to add backup failover power. Input: 100-240VAC , output 48V 1.35A 65Watt, with DC jack 5.5x2.1mm Built-in over voltage , over temperature , short circuit protection etc. Warranty 1 year