LightBeat flashes to indicate operation and battery status; powers off after five minutes to preserve battery (2xAAA, included)
Two-year warranty
No more guessing if the fiber is live. Quickly check fiber activity, polarity, and connectivity. No setup or interpretation required just place in front of the fiber end face or port and a light and tone indicate an active fiber. This pocket-sized tool tests single-mode, multimode UPC and patch cords and ports using a non-contact detector. The FIBERLERT-125, detects for the presence of 850 nm to 1625 nm optical light.