Fangrui Product Details Universal Connector Support: This 50mw Visual Fault Locator Works Seamlessly With , Sc, Fc, And Lc Connectors. Its Designed To Handle Both Circular And Square Optical Cable Interfaces And Comes Equipped With A 2.5mm Universal Connector And A Handy Lc Adapter. Accurate Fault Detection: Easily Pinpoint Breaks, Poor Connections, Bends, And Cracks In Fiber Optics. This Locator Reflects Light Off Faults Within The Fiber To Deliver Precise Locations, Aiding Swift Troubleshooting And Repairs. Superior Fiber Reach: Capable Of Covering Distances Between 40-50 Kilometers, Our Visual Fault Locator Efficiently Identifies Faults Over Long Ranges. Thanks To Its Effective Power Supply Circuit, It Ensures Consistent Performance During Extensive Use. Advanced Functional Design: From Constant Output Power To Low Battery Signals And Enhanced Battery , This Portable Device Is Tailored For Both Field And Lab Use. Ideal For Frequent Traveling Engineers, It Supports Extensive Distance Checks. Robust And Portable: Featuring A P