Feature:1. It can easily and accurately detect and locate fiber breaks, poor connections, bending or cracking.2. Small size, light weight, energy saving, easy to carry and stable output power.3. Support universal connection (FC / SC / ST) interface, it is a good tool for optical fiber testing.4. The detector will emit a 650nm bright light for fiber tracing, creating a bright light around the faulty area.5. Adopt high quality ABS material, strong and reliable structure, more suitable for special outdoor environments.Specification:Item Type: Visual Fault LocatorMaterial: ABSColor: As shown in the pictureOutput Power: 1mWOutput Wavelength: 650nm10nmOptical fiber connector: Universal 2.5mm connectionFlashing Frequency: 1HZWorking Temperature: 0-40Working Humidity: 5%-80%RHStorage Temperature: -10-60Power Supply: 2 x 1.5VAAA dry battery (not included).Package List:1 x Visual Fault Locator(Battery Not Included)1 x Instruction ManualNote:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.