5 Ports layer 2 Gigabit PoE Switch, 4 port PoE Switch (Power over Ethernet) +1 UpLink 1000 Mbps RJ45 port, 802.3at/af standard up to 250m in extend mode, 1K entry MAC address table / 6 KV surge protection for PoE ports, Solid high-strength metal shell, fan-free design.PoE power 65W / 48 VDC 1.35A