-C605 Rechargeable Active Optical Fiber Identifier Live Fiber Cable Tester FTTH Tool OFI Built in OPM/VFL/LED

Three signal frequencies can be identified: 270Hz/1kHz/2kHz. Fiber optic direction accurate identification: when there is signal in the oprical fiber, the left and right lights show the signal direction. When the left light is on, the light source is from right to left. Optical fiber identifier visual fault locator, online testing doesn't require fixture replacement, single mode, multi-mode, . Press down the back trigger to clamp the fiber and start testing automatically. Stable and strong beam concentration, effectively cooperate with line direction.