5V/2.4A & 1000Mbps - Power micro-USB devices via an Ethernet cable, along with gigabit data transfer (which you can put aside if you only need power) PoE HAT Alternative - Use no GPIO pins. Compatible with Raspberry Pi case with fan or add-on screen. Support Raspberry Pi 3b+ and previous models Extend Powerline - Deliver power to micro USB devices without nearby AC outlets and upgrade them to PoE (Power over Ethernet) from up to 400 feet Replace Power Supply - Remove the need for a separate power supply if the Ethernet cable is a must-have for your micro USB devices Save Your Time - Plug and play compatibility and quick seller response. NOTE: an 802.3af compliant PoE injector/switch is required to use this device (not included) Non-Standard PoE Risk This splitter requires IEEE 802.3af/at PoE. Non-standard (passive) PoE switches deliver power without negotiation, which can Overvolt and damage connected devices