Compliant with IEEE 802.af Power over Ethernet (support 10/100/1000M). Extends the PoE range by another 100 meters. Intelligent protection: overcharge protection, overpower protection, overdischarge protection, overcurrent protection, temperature protection, overload protection. 1 input and 3 outputs, Gigabit Ethernet port, without power supply, can supply power to 3 POE devices. The 3-port PoE extender can forward Ethernet and PoE power for 1 end device through Cat5, Cat5e, Cat6, Cat6e, UTP cables. The 3-port PoE extender has 3 10/100/1000M Lan ports, one of which is for power input and the other 3 are for power output. Work with network devices such as , IP cameras, IP phones, etc. without power cords or away from power outlets. Maximum output power:30W Colour:Black Material:Metal Size:82x55x25mm Package Contents: 4 * POE Extender Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.