Features 1、WORKING RANGE: Handheld optical power meter with strong red light source, the power measurement range is ‑50‑26dbm, the wavelength range is 850‑1625nm. 2、HIGH SENSITIVITY: Using sensitive chip, this multifunctional optical power meter measures quickly and accurately, plug and use, and no need to wait for warm up. 3、MULTIPLE FUNCTION: With relative power calculation and self calibration function, this fiber optic power tester is widely used in communication engineering repair. 4、WITH LED LIGHT: The optical fiber tester with LED light can be used in darker places, clear result or information display ensures the satisfaction of user experience. 5、COMPACT SIZE: The power meter has a compact size and a sturdy internal structure, the ABS housing is lightweight and resistant to aging and has a long service life. Specification Item Type: Optical Power Meter Model: AUA G510B Material: ABS Output Optical Power: >50MW Output Distance: 50KM Power Supply: 2 x AA battery (battery not included) Power Measurement Range: -50~+26dbm Probe Type: For 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 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 Meter 1 x FC Adapter 1 x User Manual