ON DEMAND POE for 802.3af devices like VOIP phones, WiFi Access Points, Cameras and More INSTANTLY DELIVER POWER AND DATA for up to 8 devices with your existing network switch - 10/100/1000 Gigabit capability ACTIVE AUTO-NEGOTIATION for on demand power only when a compatible device is connected INCLUDES a 56 volt 120 watt UL/CE/FCC certified power supply FOR EXPERT TECHNICAL SUPPORT from Austin Texas, please call 512 479 0317