THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty and free lifetime technical support on this converter and has been the choice of IT professionals and businesses for over 30 years. ETHERNET OVER FIBER EXTENSION: Use this full duplex LC fiber media converter to convert and extend different networks over a Gigabit fiber cable connection up to 550m / 1804 ft. INCLUDES SFP: For added convenience, this IT-grade network fiber media converter includes an SFP transceiver, enabling an 850nm LC multimode Gigabit fiber connection. PLUG AND PLAY: Designed for ease of use, this LC fiber media converter has LED indicators for simple monitoring and quick & easy setup. It can be used as a standalone device or wall mounted. MAXIMUM DURABILITY: Built to withstand harsh environments, this rugged media converter has a durable metal housing, and has an operating temperature range of 0C-50C (32F-122F).