Optimal Fiber Testing: The Fiber Optic OTDR Launch Cable Box for testing scenarios. Enhanced Connectivity: Equipped with Connectors, this launch cable box ensures reliable and consistent connections, reducing the likelihood of errors in fiber optic testing. Dead Zone Reduction: Effectively eliminates OTDR dead zones, enhancing the accuracy of fiber optic network diagnostics and maintenance. Design: Built to withstand rigorous use in field testing, this launch cable box is an essential tool for network technicians and engineers. Specifications: SC/UPC-LC/ 1000m Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Yellow Material: plastic Package Contents: 1 * Fiber Optic OTDR Launch Cable Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.