ITEM NAME:Built-in Gigabit Ethernet Media Convertor, Multi Mode Dual SC Fiber, img *{margin:0;padding:0;.Transmit rate: Gigabit (10/100/1000Base-T to 1000Base-SX/LX). Material: aluminium alloy. Optical interface: SC; Model: HTB-GM-03. Transmit distance: 2km; Emission Wavelength: 850nm. Power cable needs to be equipped by yourself.