2-Channel Singlemode Tactical Patch Cable Dust and Waterproof According to IP65 in Mated Condition Bend Insensitive Fiber Rugged Push-Pull Locking Mechanism with Rubber Caps Lifetime 2500 Mating Cycles Easy to Clean Shutterless Connectors Rugged Cable Retention Utilizing Aramid Yarn Strength member Extremely Flexible and Crush Resistant Lightweight Plastic Housing Compatible with Standard opticalCON DUO NO2-4FDW-A / QUAD NO4FDW-A