Ports: 5 x 10 Mbps/100 Mbps/1 Gbps RJ45 ports 1-Port Gigabit PoE++ In and 4-Port PoE+ Out: Supports up to 66 W / 47 W / 21 W/ 9 W PoE budget output when powered by 802.3bt Type 4, 802.3bt Type 3, 802.3at, and 802.3af PoE standard, respectively. Long-Range PoE+: With Extend Mode**, PoE transmission distance reaches up to 250 m, perfect for surveillance camera deployment in large areas. PoE Auto Recovery: It guarantees stable operation of PoE devices by automatically rebooting the dropped or unresponsive PD devices. Metal Casing: Durable metal casing and desktop/wall-mounting design are well-suited for different environments. Silent Operation: Industry-leading fanless design ensures silent operation, ideal for any home or business. Plug and Play: No configuration and installation required. Power Supply: The product only supports PoE power supply, not AC or DC power supply.