Feature:1. Efficient and Accurate: The measurement range of this meter is 50 to and26dbm, which tests fast and accurate, no need to wait for warm up.2. Excellent Performance: The meter adopts sensitive chip, the output distance is 15km, has relative power calculation and calibration function.3. Long Service Life: The meter has sturdy internal structure, with low battery consumption, can work continuously for 40 hours, has long service life.4. 7 Wavelength: The tester has 7 wavelengths which are 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, can meet most of needs.5. Easy Operation: The meter is plug and play, equipped with display screen, LED light and SC FC ST adapter, convenient for operation.Specification:Item Type: Fiber Optic Power MeterMaterial: ABSOutput Optical Power: andgt 1MWOutput Distance: 1-5kmPower Supply: 2 x AA battery (delivery without battery)Power Measurement Range: -50 to and26dbmProbe Range: InGaAsWavelength Range: 850-1625nmStandard Wavelength(nm): 850, 980, 1300, 1310, 1490, 1550, 1625Display Resolution: Linear display 0.1 percent , logarithmic display 0.01dBmWorking Temperature (): -10 to and60Storage Temperature (): -25 to and70Automatic Shutdown Time (min): 10 minutesBattery Continuous Working Time: Not less than 40 hours.Package List:1 x Fiber Optical Power Meter1 x FC Adapter1 x Manual