The TP-LINK series products supplied by our store all have Chinese version instructions. If necessary, our staff can provide English instructions for the products through private chat. This unmanaged PoE switch has four 100M ports that support PoE+ power supply and comply with the IEEE 802.3af/at standard. The single-port PoE power reaches 30W, and the maximum PoE output power of the whole machine is 62W. It can automatically detect and identify powered devices that meet standards and power them through network cables. Plug and play, no configuration required, simple and convenient to use, meeting network environments that require high-density PoE power supply, and suitable for hotels, campuses, factory dormitories and small and medium-sized enterprises to build cost-effective networks.