Features 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. 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. 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. 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. WIDE MEASURING RANGE: The optical fiber power meter has a measuring range of ‑50 to +26dbm, making it suitable for use in various applications. 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