Fiber quick map works on Multimode optical fiber to find high loss connections and the end of the fiber. It provides more information than a simple visual fault locator (vfl), but is typically faster and easier to use than a optical time domain reflectometer (otdr). this FQM-100-M includes; Multimode fiber fault locator unit, screw on interchangeable SC adapter, upc-upc 2-meter patch cord, carrying case, 4-language quick reference guide (manuals in 9 languages available on-line), Safety instruction manual, and batteries.