1. Metal V-groove design, high fiber optic connection accuracy and technical indicators. 2. Core structure: adopts box structure design, good sealing performance, supporting liquid is not easy to lose, and strong weather resistance; 3. Applicable optical cable: suitable for any combination of 0.25mm fiber and 0.9mm fiber. 4. simple operation, fast construction speed, high installation success rate, long service life, simple and convenient later maintenance. 5. Application: For FTTH engineering and optical cable repair. Project: Unit parameters Insertion loss: dB Less than 0.20 Return loss: dB 40 Tensile strength: N / 2min 10 Working temperature: -40 - + 85 Repeated assembly: more than 10 Applicable optical cable: 0.25mm 0.9mm fiber size:45.3 x 4.6 x 4 mm Material:plastic colour:black Package Contents: 5 * The optical fiber connector Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.