THIS IS LISTED FOR PARTS ONLY BECAUSE IT IS MISSING THE GREEN PIECE THAT GOES ON TOP. ( see photos) BRAND NEW OTHER THAN THAT ONE THING. This network switch include 4 port ethernet ports, 1 port uplink, support 10/100Mbps adaptive, compliant with IEEE 802.3, IEEE 802.3u, IEEE802.3x ethernet standards Support auto-negotiation, plug and play, no configuration needed, low-power consumption CPU, no fan quiet operation, green energy saving, suitable for various networks, such as home office, computer room, warehouse, factory, compact control box and other industrial scenarios with ethernet access The shell is made of industrial-grade aluminum alloy, which is more sturdy, surface groove design, better heat dissipation, integrated DIN-rail mount kit, installation and disassembly are very simple IP40 protection grade, working temperature -40~75C(-40~185F), super robustness, anti-lightning, anti-static and anti-overload protection, adapt to various harsh environments Dual power supply, automatic fault switching, anti-reverse connection does not damage the equipment, higher reliability, equipped with one UL-certified power adapter, can be used without additional purchase Open box - Products in Excellent condition looks brand new with little or no physical flaws, scratches or scuffs. - Item has been handled for inspection - Please anticipate signs of handling (fingerprints, lint, etc.) - Please view ALL pictures. Items packaging may have cosmetic damage - does not affect the item. Includes all items seen in pictures ONLY. - Actual item pictured. ITEMS USED OR SEALS BROKEN ARE NOT ELIGIBLE FOR RETURN OR REFUND (read return policy) PLEASE DO NOT OPEN A CLAIM WITH OR LEAVE A NEGATIVE OR NEUTRAL FEEDBACK BEFORE CONTACTING US TO RESOLVE ANY PROBLEM YOU MIGHT HAVE. WE ARE HERE AND WILLING TO HELP. Attention VeRO members: We're not affiliated with or endorsed by the companies mentioned in this listing, All trademarks and copyrights are acknowiedged, they are only used for informative description of the items offered for sale, All items are authentic as evidenced in photos, legally acquired and owned, and hence covered under First Sale Doctrine, Unlawful VeRO removal of this listing will constitute perjury and result in legal action