YGGYM Optical Power Meter with Visual Fault Locator, Optical Fiber Power Meter with Cable Tester Function and Li-ion Battery USB Charge for FC/SC/ST Universal Interface (Y8)

【4-in-1 Multi-Functions】OPM, VFL and Cable Tester function combined on 1 Unit, SM MM 7 wavelengths, test range: -70dBm~+10dBm, 5mw red light source. 【Optical Power Meter】Fiber cable tester to measure fiber loss, supports 850 nm, 980nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm and 1625 nm wavelengths. 【VFL & Cable Tester】Visual fault locator to locate fiber breakage or winding, with continuous and flashing working modes. Automatically runs all tests and checks for continuity, whether a lan cable is in good condition or broken circuit. 【Benefits for You】1100 mAh Li-ion Battery, USB Charge Port. LED flashlight for work in darkness. Easy-to-read LCD interface displays power loss data, wavelength, frequency, battery capacity and battery charge status. 【Time and Money Saver】Helpful Testing both optical fiber cables and lan cables. No more calls, no more cost, find and test it by yourself. And please feel free to contact us if you have any problems when using it.