Features: and high quality. 4 port Injector module 4 LAN ports, 4 LAN+ ports, shield VOIP phones, IP Cameras, WiFi Access Points, and more voltage to all ports, share available equally 2.1mm x 5.5mm for DC plug LED light Works with any ethernet switch or router any supply to 48 volts Plastic outside box Specifications: color: Black Material: Plastic Size: 10x4.7x3.1cm/3.94x1.85x1.22in (Approx.) Category Pins: Pins 1/2 & 3/6 for data Pins 4/5 & 7/8 for Data rate: 10/100 Mbps TIA/EIA 568B-2 Connector: RJ-45 Input Voltage:9V-48V Current Output:0.5-3A Operating Temperature:0C~50C Temperature:-40C~70C Operating Humidity:10%~80%RH Package Contents: 1 x POE Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.