Visual Fault Locator / Light Source Senter JOINWIT JW3105A 20mw Specification: Model: Pen type visual fault locator Emiter: LD Wavelenght (nm): 650+-10 Output Power (mW): 20 mW Transmission distance: Up to 20Km Working mode: CW amp; Modulation Working temperature (C): -10 +60 Storage temperature (C): -20 +70 Modulation: 1Hz, working cycle: 60% Connector: 2.5mm universal connector (FC) SM, MM Power: 2 pcs AA battery Working hours (h): 20mw continuous work gt;20h Dimension (mm): 185*25 Application: - Maintenance in telecom, CATV - Test Lab of optical fibers - Fiber routing and continuity checking in optical networks - Other fiber optic measurements Product Features: - The 20mW visual fault locator is used for the measurement in single-mode or multi-mode fibers. -Portable and rugged, easy to use, 2.5mm universal connector,Universally connector for test different ST,SC,FC interfaces - Easy identification of fiber break, bend, you can protect the fiber layer -Laser case ground design prevents ESD damage, LED indicator for Power,Battery Low and CW/Pulse indicators -Crash-proof and dust-proof design for laser head,Operates in both CW(Continuous wave) and pulse mode