Brand new and high quality Transmission rate: 100Mbps Full / half duplex adaptive Low temperature resistance: -40C High temperature resistance: 85C protection: Thunderstorm 1000A Super power electricity source, which can protect the safety of operation equipment. Super strong main control chips Function: LACP, SNMP, VLAN Support Port: 5* RJ45 10/100M ports Web standards: IEEE802.3 / IEEE802.3u / IEEE802.3x / IEEE802.3az Product Name:Ethernet Switch Material: Metal Color: black Product Size: 12.7cmx8.6cmx3cm Weight: about 240g Package Contents: 1x Ethernet Switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.