Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. This is an OM5 'Green' laser-optimized, multi-mode cable with a 50 m core and 125 m cladding diameter. The cable has a color-coded Dual LC connector on each end and is ideal for use in 10 Gigabit Ethernet (GbE) networks. The cable jacket is OFNR (Optical Fiber, Non-conductive, Riser) rated by UL, which means that it complies with fire safety and insurance requirements and is safe for use within the walls, and between the floors, of commercial class buildings.