Zyxel SFP-LX-10-E. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1000 Mbit/s, Interface type: SFP. Product colour: Steel, Country of origin: China, Brand compatibility: Zyxel. Input voltage: 3.1-3.5 V, Maximum current: 0.3 A. Width: 13.4 mm, Depth: 56 mm, Height: 12.4 mm