Features 7 Wavelengths Seven wavelengths are 850, 980, 1300, 1310, 1490, 1550 and 1625nm as well as SC, FC and ST adapters. Cover most communications maintenance requirements. Calibration Function The power measurement range is -70 to +10dBm, relative to power calculation, with calibration function, can produce faster and more accurate data, very convenient. Enhanced Experience This optical power meter also has the ability to erase the blue screen. Details mean professionalism, and a clear display of results or information can improve the user experience. LOW BATTERY CONSUMPTION This optical power meter has a sensitive chip and sturdy internal structure. The battery consumption is low and can work continuously for 40 hours with high endurance. Convenient to carry: this optical power meter does not need to wait for preheating, plug and play, small, lightweight, easy to carry, but also with LED light, very convenient. Specification: Element Type: Optical Power Meter Model: AUA G710B. Material: ABS Optical output power: >15MW Output distance: 15 km. Power supply: Requires 2 x AA batteries (batteries not included). Power measurement range: -70 - +10 dBm. Probe range: InGaAs Wavelength Range: 850-1625nm Standard wavelength (nm): 850, 980, 1300, 1310, 1490, 1550, 1625 Display resolution: linear display 0.1%, logarithmic display 0.01dBm Operating temperature: -10 to +60 °C. Storage temperature: -25 to +70 °C. Automatic shut-off time: 10 minutes. Battery life: at least 40 hours Package list: 1 x power meter. 1 x FC adapter. 1 x user manual. Note: Please pay attention to the correct operation. Package List 1 x Power Meter 1 x FC Adaptor 1 x Instruction Manual