Usage Tips:1000Mbp Mini SC Media Conver: It can Support SC Ports, It Strictly Compliant With 100 Base-FX, 1000 Base-X, EEE802.3, IEEE802.3u. And Other More Standards Of Ethernet Network. External Power Supply Easy Installation: Small size,standard fitting external power supply and easy installation Users are greatly satisfied with its high reliability and performance in various environment. Strong And Tensile, StablyTemperture: It's tensile and durable because of making by excellent stall. It also designs better holes to releat temperture and ensure the eqipment resist temperture effectively and run stably. Product Name:1000Mbp Mini SC Media Converter Distance:0-20KM Power Supply:DC5V1A RJ45 Port Rate:100/1000Mbps self-adapting Fiber Optic Port Rate:1000M Fiber Optic Interface:SC single/dual fiber RJ45 Interface:RJ45 Wavelength:1310nm;1310/1550nm Functions:Gradeconnection,converge... Colour:Black Material:Plastic+Metal Size:8.4x3.6x2.2mm Package Contents: 1 Pair * Ethernet Fiber Switch Media Converter(Without Power Supply) 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.