Welcome to the store! 1. Enhanced testing: Designed for a wide test range of -50~+26dbm, enabling precise optical fiber power measurement. 2. Reliable usage: Features relative power calculation and calibration function, making measurements much more convenient. 3. Wavelength: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm, 7 types of wavelength will meet your work needs. 4. Easy to use: Delivered with sensitive chip and robust internal structure, plug and play, ensuring fast response. 5. Lightweight: Light in weight and compact in size, simple transportation enables use both indoors and outdoors. Product type: Optical fiber power meter Model: AUA-G510A Material: ABS Power supply: 2 x AA batteries, delivered without batteries. Power measurement range: -50~+26dbm Detector range: InGaAs Wavelength range: 850-1650nm Standard wavelength (nm): 850, 980, 1300, 1310, 1490, 1550, 1625 Display resolution: Linear display: 0.1%; Logarithmic display: 0.01dBm. Operating temperature: -10~+60 Storage temperature: -25~+70 Automatic shutdown time: 10 minutes Battery continuous working time: No less than 40 hours. 1 x Optical fiber power meter 1 x FC-adapter 1 x User manual Your satisfaction is our top priority. We will provide you with the best service. If you discover any issues after receiving the product, such as damage or incorrect quantity etc., please contact us immediately so we can give you the best solution!