FYBOPTWU - 2pcs Fiber Optic Visual Fault Locator 30MW 30KM VFL Fiber Optic Tester Fiber Optic Tester with 2pcs Singlemode 9/125um FC Male to LC Female Adapter, Purple Switch
【Ultra Long Distance Test】The 30MW Fiber Optic Visual Fault Locator (the fiber optical fault detector) has a strong source output power, which can detect fiber patch cord faults within 30 kilometers.