Item Type: Optical Power Meter_x000D_ Model: AUA MC70_x000D_ Material: ABS_x000D_ Power Supply: 3.7V 650mah polymer battery (included battery)_x000D_ Power Measurement Range: -70~+10dbm_x000D_ Probe Type: For InGaAs_x000D_ Wavelength Range: 850-1650nm_x000D_ Standard Wavelength (nm): 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650_x000D_ Display Resolution: Linear Display: 0.1%, Logarithmic Display: 0.01dBm_x000D_ Working Temperature: -10-60_x000D_ Storage Temperature: -25-70_x000D_ Automatic Shutdown Time: 10 minutes_x000D_ Battery Continuous Working Time: Not less than 40 hours 14 IN 1 FUNCTION: Multifunctional optical power meter, with red light source, RJ45 network testing and LED light function, which has strong practicability. 2GOOD PERFORMANCE: The power meter supports fast and accurate measurement without waiting for warm up, with relative power calculation and self calibration. 3WORKING RANGE: The power measurement range is ?70?10dbm, with 850, 980, 1270, 1300, 1310, 1490, 1550, 1577, 1625, 1650nm standard wavelengths. 4POWER SUPPLY: This fiber optic power meter is rechargeable, equipped with 3.7V 650mah polymer battery and USB charging cable, convenient and practical. 5GOOD STABILITY: Using sensitive chip, this handheld optical power meter has a compact size and a sturdy internal structure for stable and reliable operation. 1 x Optical Power Meter 1 x User Manual 1 x Lanyard 1 x USB Charging Cable