Feature:1. 4 IN 1 FUNCTION: Multifunctional optical power meter, with red light source, RJ45 network testing and LED light function, which has strong practicability.2. GOOD PERFORMANCE: The power meter supports fast and accurate measurement without waiting for warm up, with relative power calculation and self calibration.3. WORKING RANGE: The power measurement range is 7010dbm, with 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm standard wavelengths.4. POWER SUPPLY: This fiber optic power meter is rechargeable, equipped with 3.7V 650mah polymer battery and USB charging cable, convenient and practical.5. GOOD STABILITY: Using sensitive chip, this handheld optical power meter has a compact size and a sturdy internal structure for stable and reliable operation.Specification:Item Type: Optical Power MeterModel: AUA MC70Material: ABSPower Supply: 3.7V 650mah polymer battery (included battery)Power Measurement Range: -70-and10dbmProbe Type: For InGaAsWavelength Range: 850-1650nmStandard Wavelength (nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650Display Resolution: Linear Display: 0.1 percent , Logarithmic Display: 0.01dBmWorking Temperature: -10-60Storage Temperature: -25-70Automatic Shutdown Time: 10 minutesBattery Continuous Working Time: Not less than 40 hours.Package List:1 x Optical Power Meter1 x User Manual1 x Lanyard1 x USB Charging Cable