Feature 110 100 1000M: This Gigabit Ethernet switch provides multiple Gigabit SFP ports and 10/100/1000M adaptive RJ45 network ports. 2Full Half Duplex: This Ethernet optical switch supports lossless and efficient transmission of multiple protocols. Full/half duplex self adaptive. Support IEEE802.3x flow control, back pressure flow control. 3Plug and Play: This Ethernet fast switch is plug and play, MDI/MDI X ports are automatically flipped, convenient to use. 4Fast Cooling: This Ethernet switch adopts premium chip and inbuilt heat sink, which ensures fast cooling and stable performance, resistant to high temperature. 5Low Power Consumption: This Ethernet network switch adopts low power consumption, 5V voltage input, more durable than ordinary power supply.SpecificationItem Type: Gigabit Ethernet SwitchMaterial: MetalSupported Protocols: IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3zSFP Ports: 4RJ45 Port: 4 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Gigabit Ethernet Switch1 x Power Adapter1 x User Manual