Noticed: The MERCURY series of products are Chinese firmness, the package inside the instructions for the Chinese version, but the product is a general product, please rest assured to use. In addition, if you need English instructions, please contact our customer service. 5 Port Gigabit Ethernet Switch, Network Hub, Ethernet Splitter, Plug & Play, Fanless Metal Design, Shielded Ports, Traffic Optimization. (1) 43W high-power power supply, 260-meter over-distance transmission and security networking without pressure. MSG05CP has an external 43W high-power power supply and a single-port PoE maximum power of 15.4W, which can meet the needs of various applications; it has a network extension mode with a data transmission distance of up to 260 meters, ensuring stable and smooth transmission of monitoring data over long distances, fully satisfying families and small businesses. Security monitoring networking requirements for micro-enterprises, dormitories and other places. (2) 4 over-distance ports, supporting long-distance data transmission. With network extension mode, data transmission can reach up to 260 meters, ensuring stable and smooth data transmission over long distances, fully meeting the needs of security monitoring and wireless networking. (3) Full Gigabit ports, data transmission is more efficient. MSG05CP provides 5 full Gigabit ports and adopts a store-and-forward mechanism. Each port can achieve Gigabit non-blocking line-speed forwarding. The bidirectional transmission rate of each port can reach 2000Mbps, providing higher bandwidth processing capabilities and easily supporting Gigabit networking. (4) Compatible with standard POE design, wiring is simple and fast, and power supply is stable and safe. MSG05CP is compatible with the 802.3af standard design. The powered device does not need an external power supply. It only needs one network cable to transmit network data and power at the same time. There is no need to change the original wire layout. The wiring is simple and the construction is convenient. It is widely used and suitable for wireless and security networking in homes, small and micro enterprises, school dormitories and other places. (5) Plug and play, simple networking. MSGO5CP supports automatic MDI/MDIX port flipping, automatic MAC address learning and updating, full/half duplex auto-negotiation, and supports 10/100M rate adaptation. It is plug and play, no separate configuration is required, saving time and worry, and easy to use. Even tech novices can easily get started.