Specifications: ? Light sources: LD ? Operating wavelength: 650nm ? Output power: ≥1.5mw ? Fabric recognition distance: ≥8Ikm ? Output interface: Multi-function（SC、FC、ST） ? Operating temperature: -10°C~+50°C ? Storage temperature: -20°C~+80°C ? Weight: 60g ? Length: 155nm ? Diameter: Φ11.5nm ? Continuous work hours: 16h Function: ? Find breakpoint, bends even through jacketed fibers ? Troubleshoots faults within OTDR dead zone ? End-to-end fiber identification Feature: ? Mini-size design of pen shape ? the output of red visible laser light ? be used on fiber optical patch cords, pigtails, bare fiber ? with the universal adaptors