TP-LINK MC220L Gigabit SFP Media Converter /

Quick overview from the supplier:

TP-LINK MC220L, Gigabit SFP Media Converter, 1 x Lan Gigabit port, 1 x 1000M SFP port, Multi-mode/Single-mode SFP module, Wave Length Depends on the used SFP module, External Power Adapter