Optical fiber butt precision is high, technical indicators are excellent. The core structure features a design with good sealing performance, ensuring matching fluid is not easily lost and providing strong weather resistance. Applicable optical cable: suitable for any combination of 0.25mm and 0.9mm optical fiber. Simple operation, fast construction speed, high installation success rate, and convenient maintenance. Application: for FTTH engineering and optical cable repair. Product technical indicators: Use range: 0.25mm & 0.9mm fiber Applicable model: Single mode & Multi-mode Operating time: about 10 seconds (not including fiber processing) Insertion loss: ≤ 0.10dB Return loss: ≥ 40dB Bare fiber tightening force: > 5N Tight wrapping force: > 8N Working temperature: -40°C to +75°C Repeated use (10 times): IL ≤ 0.2dB, RL ≥ 5dB Applicable optical cable: 0.25mm and 0.9mm optical fiber Color: black Material: plastic Size: approximately 45mm in length Package Contents: 20 x L925B Fiber Optic Quick Connector Note: Light and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allows an error of +/- 1-3cm.