/-: The SFP fiber port supports 100/1000Base-FX, auto detect. You can choose 155M or 1.25G
SFP module accordingly ^^: This SFP fiber media converter size is 3.11 x 10.6 x 0.71 inch, even smaller than other similar ultra compact design. Suitable for installation and integrated in other equipment such as IP camera housing. Its suitable for tight space ^^: High-quality aluminum case provides excellent heat dissipation, durability, and a professional look. ^^ This SFP fiber media converter uses Type-C port for power input, with USB cable and power adapter included. You can simply use USB port on PC to power this device. Also you can use the AC-DC 5V adapter ^^ The Ethernet media converter comes with single-mode single-fiber 1310/1550nm SFP module*2, can transmiting Ethernet up to 20km.