3 in 1 Mini Fiber Optic Power Meter with OPM (-70~+10 dBm), VFL (15mW), and RJ45 network testing functions. Eliminates the need for multiple testers, providing convenience and efficiency for field work.Specifications Optical Power Meter (OPM): Measurement Range: -70 to +10 dBm Calibrated Wavelengths: 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 nm Sensor Type: As Accuracy: 0.2 dB Power Measurement Linearity: 0.1 dB Display Resolution: 0.1 dB Connector: Universal joint Specifications Visual Fault Locator (VFL): Output Power: 15 mW Range: Up to 15 km on single mode fiber Connector: 2.5 mm universal Wavelength: 650 30 nm Output Modes: Continuous (CW), 1 Hz, 2 Hz Power Source: Battery Color: Gray-white Material: Plastic Package Contents: 1 x Optical Power Meter Note: Light reflection and display differences may cause slight variations in color appearance. Measurement tolerances may vary by 13 cm.