A. Three-in-one Mini Fiber Optic Power Meter - Equipped with an optical power meter (OPM, measurement range: -70~+10 dBm), a visual fault locator (VFL, output power: 15mW), and RJ45 network testing function. It may not be necessary to carry a separate tester, which might make on-site work more convenient and efficient. B. Specifications of the Optical Power Meter (OPM): - Measurement range: -70~+10 dBm - Calibrated wavelengths: 850/980/1270/1300/1310/1490/1550/1577/1625/1650nm - Sensor type: As - Accuracy: 0.2 dB - Power measurement linearity: 0.1 dB - Display resolution: 0.1 dB - Connector: Universal joint C. Specifications of the Visual Fault Locator (VFL): - Output power: 15mW - Measurement range: 15 kilometers for single - mode fiber - Connector: 2.5mm universal type - Wavelength: 650nm ± 30nm - Output mode: Continuous (CW), 1Hz/2Hz D. Power supply: Battery E. Color: Gray and white F. Material: Plastic G. Package contents: - One optical power meter - Only the above - mentioned items are included in the package, and no other products are included. H. Notes: Light reflection and different displays may cause slight differences between the item color and the actual object. The allowable measurement error is ±1 - 3cm.