IEEE 802.3af compliant Power over Ethernet (PoE) injector from TP-Link, Powers PoE devices when there's no PoE switch, 10/100/1000 Mbps RJ45 ports with auto-determine and support for Auto-MDI/MDIX, Supports distances up to 100 m, Automatically determines the required power, Output power: up to 15.4 W Plug and play, requires no configuration