Remotely Power 10/100M PoE Device Thru CAT.5,6,7 Cable up to 328 feet(100 meters) Power over Ethernet w/ 48V Power Supply, Compact Size Convenient US Wall Plug Design Autoranging Switching Input 100-240VDC, 48V 15.4W (Max 24W) Passive PoE Output Smart Safety Chip: Short Circuit, Over Current and Over Voltage Protection Compatible with most 10/100Mbps IP camera, IP phone, Wireless IP point and other PoE devices.