The Lot of 2 Ubiquiti POE Injectors includes one black and one white powerline adapters from Ubiquiti Networks. Each injector has one LAN port and one POE port for connecting devices in a powerline networking setup. These injectors are ideal for home networking and connectivity, allowing users to power and connect multiple devices using the powerline network. Please note that these devices are passive and send over a steady 24 volts and no less. if your device requires less than 24 volts this will damage them.