Features: Meet the demand of PoE power supply, it adopts Ethernet switching chip with bandwidth, which has extremely fast data processing ability and improves data transmission performances. Equipped with four RJ45 downlink Port capable of PoE power supply and one RJ45 Port. Single-port power supply can reach 30W, and the whole machine can reach 120W. It can automatically detect and identify the power receiving equipment, and give priority to power supply through the Networking cable. Four 10/100/1000Mbps RJ45 PoE Port (supporting PoE+ power supply) and one 10/100/1000Mbps RJ45 Port have a PoE power supply of 120W, and the single-port PoE power supply has PoE power supply of 30 W. The PoE power supply port supports the priority mechanism, automatically detects and identifies and gives priority to power supply through the Networking cable without damaging equipment. Suitable for users who need to connect multiple Networking devices in LAN. Widely used in monitoring systems, wireless Networking coverage, office equipment. Specifications: Component:Metal Size:Approx.20x11.8cm/7.87x4.65inch Package Includes: 1 Set Gigabit PoE Switcher note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.