2 Fiber Indoor/Outdoor Fiber Optic Cable, Multimode, 62.5/125, Black, Riser Rated, Spool, 1000 Foot Warranty: Lifetime End 1 & End 2: Bare end 1000 foot spool of indoor/outdoor rated fiber optic distribution cable intended for large installations of short range runs at 10 Gigabit speeds Composed of 2 multimode fibers (50 micron core) inside a water blocking Aramid yarn wrapped in a black PVC outer jacket Permits synchronous communication between devices