- Fast finding fiber in a large bundle, indicates dark or lit fiber and indicates direction of light in the fiber
- Detect 270Hz, 1kHz, 2kHz from laser source; Wavelength range: 800nm to 1700nm
- Build in Optical power meter (+6~-70dBm level detection)
- Suitable for 0.25, 0.9, 2.0, 3.0mm fiber, no need to change adapter
- Two AA batteries are required to operate the pen, batteries are NOT included.
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