Compliance with the 802.3af/at PoE+ standard, supports up to 30 W on each PoE port and 67 W for all PoE ports .Max Heat Dissipation : 6.5 BTU/h(no PD connected) ; 252.3 BTU/h(with 67 W PD connected) Plug and Play, No Configuration Required. Fully compatible with IP cameras, access points, IP phones, computers, printers, and more. With extend mode, the PoE transmission distance reaches up to 250 m—perfect for IP Camera deployment in large areas.(The speed of the ports in extend mode will downgrade to 10 Mbps) Priority Video Quality Guaranteed: Quality of sensitive applications like video monitoring in critical business areas is guaranteed by offering higher priority options for ports 1–2 when one-touch Priority Mode is on. Intelligent Power Management: When total power consumption exceeds 67 W, the intelligent power management will cut the lower priority port power. This ensures the high priority port’s power supply and protects the device from power overload. Durable Metal Casing: The interior components of TL-SF1005P are protected by high-quality metal casing to ensure a long product life.