?After-sales service?Electronic products will have various unexplained failures. We provide one-year after-sales service for renewal. Within 1 year from the order, only replacement is not repaired. ?Network cable short-circuit protection mechanism?STEAMEMO 8- port PoE switch is stable and has strong anti-interference ability, protect the fault caused by the short circuit of the network port. Short circuit, over current and over voltage protection. ?Stable, Powerful, Plug&Play?STEAMEMO full gigabit poe switch provides reliable data transfer and Fanless design ensures quiet operation. Plug and play, easy setup with no software installation or configuration needed. Study metal case fanless Quiet Design, desktop or wall-mounting Design. ?Built-in power supply?The power supply is located in the poe switch body and integrated with the switch. It is simple and light. After connecting to our AC Power Cable, the switch can transmit power to the equipment connected to the switch. ?4KV Lightning Protection?STEAMEMO PoE switch have professional lightning protection design-up 4KV port and power supply thunder prevents, with two levels of protection design respectively, effectively restrain the power of lightning from cable, which equivalent to give the entire network monitoring system with a security fence. ?VLAN mode?VLAN mode(Turn on the VLAN switch) support isolate 4 PoE+ port from each other. It is easy for this 4 port PoE switch to manage and maintain, prevent broadcast storms, prevent data confusion, wireless networking application data is more stable. ?Active poe switch with 802.3af/at compliant?STEAMEMO poe switches support poe devices and non-poe devices, but when connecting passive poe device or non-poe device,the switch can only transmit data and cannot power your device,so the connected device needs to be separately powered. Or you can use it with active poe splitter. ?Flexible Full Gigabit 8-Port PoE Configuration?4*PoE+ (802.3at/af) 10/100/1000 Mbps RJ45 ports providing up to 30W per port and total PoE power budget of 65W, 2 Gigabit Ethernet RJ-45 uplink ports and 2 SFP ports.(Please note: SFP2 and LAN2 is 1 gigabit combo SFP uplink port, supporting both copper and optical SFP connections.You can use either an LAN2 port or an SFP2 port. But you can’t use both of them at the same time.).