Features WIDE MEASURING RANGE: The optical fiber power meter has a measuring range of ‑50 to +26dbm, making it suitable for use in various applications. STANDARD 2.5MM INTERFACE: Equipped with a standard 2.5mm interface, the fiber optic power meter is compatible with SC FC ST connectors, offering great versatility. SUPPORT MULTIPLE WAVELENGTHS: With support for up to 10 different wavelengths, including 850 980 1270 1300 1310 1490 1550 1577 1625 1650, the optical power meter offers maximum flexibility and usability. HIGH PRECISE: The optical fiber tester is designed for maximum precise and accuracy, boasting low error rates and delivering reliable and precise readings every time. LED LIGHT: Featuring a LED light, the optical power meter is easy to read and use in low light conditions, making it perfect for use in a wide variety of settings and environments. Specification: Item Type: Optical Fiber Power Meter Material: ABS Model: AUA Y510A Power Measurement Range: -50 to +26dbm Probe Type: InGaAs Wavelength Range: 850-1650nm Standard wavelength (nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 Linear Display: 0.1% Logarithmic Display: 0.01dBm Working Temperature (℃): -10℃ to +60℃ Storage temperature (℃): -25℃ to +70℃ Battery Continuous Working Time: Not less than 40 hours Automatic Shutdown Time (min): 10 minutes Power Supply: Require AA battery x 2 (not included) Package List:1 x Optical Fiber Power Meter1 x Adapter1 x User Manual Package List 1 x Optical Fiber Power Meter 1 x Adapter 1 x User Manual