Feature: 1. Pressure part adopt the unique structural design, no glue, no grinding and no consumable when installing. 2. This connector has high return loss and low insertion loss. 3. This product satisfies ROSH, the installation quality is high. 4. It is convenient to operate and reusable. 5. Widely used in repairing and transmission, etc. Specification: Features: 1. Pressure part adopt the unique structural design, no glue, no grinding and no consumable when installing. 2. This connector has high return loss and low insertion loss. 3. This product satisfies ROSH, the installation quality is high. 4 . It is convenient to operate and reusable. 5. Widely used in repairing and transmission, etc. Specification: Condition: Brand New Insertion Loss: ≤0.3dB Return Loss: ≥50dB Temperature: -40℃ - +85℃ Drop Test: <0. 3-<0.5 Weight: Approx. 488g / 17.2oz Length: Approx. 6.0cm / 2.4in Package List: 100Pcs Optic Fiber Quick Connector 1 * English Manual 2 * Optical Fiber Length Sensor Note: 1.Construction staff should keep their hands clean and dry when installing. 2.It is recommended to peel off the fiber coating layer with a dust-free cloth dipped in a small amount of alcohol close to the bare fiber wipe clean, in order to reduce the light loss. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.