Feature: 1. EXCELLENT PERFORMANCE: OTDR launch cable is made of good quality materials, has good performance, more practical and durable 2. GOOD SEALING: Launch cable come with excellent sealing performance, waterproof, non fouling and non explosion 3. ELIMINATE DEAD ZONE: Mainly used to make up for the blind spot of OTDR test, there is no welding head in the middle of the fiber, possess small size, light weight, easy to carry, very convenient 4. CORROSION RESISTANT: Made of fiber and plastic material, possess strong corrosion resistance, stable, low loss, and interference resistance 5. LOW LOSS: 9/125 single mode, loss less than or equal to 0.5dBm/km, you can use with confidence. Length for 1000M, long enough to use Specification: Item Type: OTDR Launch Cable Box Material: Fiber, plastic Cable Type: Fiber optic Compatible Devices: OTDR Length: Approx. 1000meter / 3280.8ft Product Use: Mainly used to make up for the blind spot of OTDR testing Fiber Type: Single mode (9/125) Loss Rate: Less than or equal to 0.5dBm/km . Package List: 1 x OTDR Graphical Text Report1 x OTDR Extension Cable1 x Storage Box1 x Storage Bag Note: Please pay attention to safety protection before use.