iCreatin 48V POE Injector Adapter Power supply,10/100Mbps IEEE 802.3af Compliant, Up to 100M (328 Feet), for Most Cisco / Polycom / Aastra Phones 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 48V Power Supply Input 100-240VDC, Output: 48V 19W 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.