5/10/20/30/50/80/100KM Visual Fault Locator Red Light Fiber Optic Tester Tool
Transmission Distance: 5km/10km/20km/30km/50km/80km/100km. Type: Fiber Optic Tester. Adapter: FC/UPC male to LC/UPC female. Storage Temperature: -40°C ~ 85°C. Light source: Red light.