Customer service?PoE switch is rigorously tested for reliability, quality and performance. We provide a one-year warranty and lifetime technical support for the entire product. Plug and Play?Unmanaged plug and play, support power detection function, automatic detection of PD devices, compatible with non-POE devices to provide data connection, no software or configuration required, support automatic MDI/MDIX and non-blocking data forwarding. Stable and Quiet?Durable metal case with 6KV lightning protection, fanless silent design for more power saving, double side cooling holes, wide temperature range -10~50°C, LED indicator lights, stable operation, easy to maintain network status. IEEE 802.3af/at?Each port can provide up to 30W of power, with a total PoE power budget of 120W.Widely used in scenarios such as HD webcams, VoIP phones, wireless access points, and computer network equipment. Please note: Only Support 44-57V POE devices. 2.5G PoE Switch?9 ports 2.5G PoE Switch with 8 x 2.5Gb PoE ports + 10G SFP uplinks, 10G SFPs can provide more rate and connect to different devices such as WiFi6 Router, NVR, 4K PoE Camera and so on.