Pack of 4 Black Power over Ethernet Passive PoE Injector + Splitter Adapter Cable Kit IP camera receives DC power directly from the network cable Convenient and super easy to perform PoE functions Supports Voltages: 5V, 12V ,24V ,48V Data Rate: 10/1000 Mbps, Cable type TIA/EIA 568 Cat.5, RJ-45 Connector Distance recommended is below 30M but is based on the quality of network cable and power from CCTV devices