Passive PoE Injector Splitter kit RJ45 Ethernet connectors and power over 5.5 mm x 2.1 mm DC Connectors 2.1mm x 5.5 mm jack / plug injector / splitter kit Use any power supply up to 60 volts (not included) Use with IP security cameras, wireless access points and other devices Commonly used with Foscam outdoor cameras that use 12v, also see our 8 and 12 port injectors Expert USA Tech Support - call 512 479 0317