iCreatin 48-54V Wall Universal POE Injector Network adapter power supply Support IEEE802.3af for Most Cisco / Polycom / Aastra and More Remotely power PoE Device Thru CAT.5,6,7 Cable up to 328.1 feet(100 meters) IEEE802.3af Power over Ethernet with 48-54V Power Supply, US wall plug type. Input 100-240VDC, Output: 54V (48-56V) 0.5A 24W passive PoE Output Short Circuit, Over Current and Over Voltage Protection Compatible with most 10/100Mbps IP camera, IP phone, Wireless IP point and other PoE devices.