Features 1、MEASURING RANGE: Multifunctional optical power meter, power measurement range is ‑70‑10dbm, fast and accurate in operation, no need to wait for warm up. 2、GOOD PERFORMANCE: The optical fiber tester uses sensitive chip, with relative power calculation and calibration functions, stable and reliable performance. 3、10 WAVELENGTHS: With 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm standard wavelengths, multiple sets of data storage, store and view at any time. 4、PORTABLE DESIGN: The optical power meter is handheld design with a compact internal structure, and uses ABS plastic shell, lightweight and wear resistant. 5、MULTIPLE FUNCTIONS: Integrated network test, optical power meter, red light source and LED light, covering most of the needs of communication maintenance. Specification Item Type: Optical Power Tester Model: AUA M70 Material: ABS Power Supply: 2 x AAA battery (battery not included) Power Measurement Range: -70~+10dbm Probe Type: For InGaAs Wavelength Range: 850-1700nm Standard Wavelength (nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650 Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dBm Working Temperature: -10-60℃ Storage Temperature: -25-70℃ Automatic Shutdown Time: 10 minutes Battery Continuous Working Time: Not less than 40 hours Package List 1 x Optical Power Tester 1 x Lanyard 1 x User Manual