8-Port Gigabit Switch, 4 x Desktop 10/100/1000Mbps Power Over Ethernet Ports. 4 x 10/100/1000 M RJ45 PoE ports support IEEE802.3af, IEEE802.3at standard. Supports a max PoE output of 60W, with a max transmission distance of up to 820ft. Two-layer commercial PoE switch. Each RJ45 port supports MDI/MDIX auto flip and wire-speed forwarding functions. PoE Protocol: IEEE802.3af and IEEE802.3at. The red port also supports Hi-PoE and PoE watchdog. If the PoE device goes offline, the switch will automatically restart the device. Working Temperature: 14°F ~ 131°F. Plug and Play, Compact desktop size, LED activity indicator lights