The FFL-50 series is compact red laser sources specially designed for fiber tracing, routing and testing the continuity of a fiber-optic cable. Their wide range of choice of output power (1/3/5/10mW) meets needs of all kind of users. The red laser shines through most jacked optical fiber cables to help the user to easily identify faults in a fiber jumper cable, ODF, patch panels, splice trays and etc. It is excellent complement to OTDR since it can locate the faulty in OTDR¡¯s dead-zone. The laser-head protective design against dust and accidental crash, and the special case design preventing the laser-head from ESD damage ensure the tool an ideal for most demanded environment.