8-Port Gigabit Ethernet PoE Switch with 4-Port PoE, 4*10/100/1000Mbps PoE ports, 4*10/100/1000Mbps ports, Port1≤60W, Port2-4≤30W, Total≤60W, IEEE802.3af (PoE), IEEE802.3at (PoE+), Hi-PoE, Switching Capacity 20Gbps, DC48~57V power adapter, -10°C~+55°C, 190mm×100mm×30mm