High Precision MT-7616 Power Meter，4 In 1 Multifunctional Optical Pen Tester,Disconnected LAN Cable Failure Teste

Product description. 4-in-1, including power meter, LAN cable tester, visual fault locator and LED flashlight. dynamometer: Support 8 wavelengths, 850/980/1300/1310/1490/1550/1625/1650nm. Measurement units: dB, dBm, nW, mW and uW. Other functions: Wave ID function, wavelength memory, self-calibration and REF value setting. Network cable tester: Pin to Pin cable mapping indicator. Maximum. The measuring length is 600m. Visual fault locator: Easy to locate breakpoints and bad connections in fiber optic cables. Provide continuous and flashing modes. LED flashlight: Supports additional lighting in dark working conditions. More features: 30mW output power. Equipped with 3.7V/450mAh lithium battery, working time>50 hours (OPM only). Micro USB rechargeable design. Support 500 data storage.