Features： 1、SEVEN WAVELENGTHS SUPPORTED: Accurately test, supported wavelengths are 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm 2、UNIVERSAL CONNECTOR: Wide range of applications, 2.5mm standard interface is universal for SC, FC, and ST connectors 3、ACCURATE AND STABLE: Powerful light source integrated chip, using smart chip, accurate to test data, possess strong light source and stable lighting 4、INTEGRATED MACHINE: Red light source all in one machine, red light wavelength for 650nm, with SC connector, convenient for you to connect and use 5、LIGHTWEIGHT AND PORTABLE: Optical fiber power meter is made with fine workmanship, easy to carry, which is a good replacement Specification： Item Type: Optical Fiber Power Meter Standard Wavelengths: 850nm, 980nm, 1300nm, 1310nm, 1490nm, 1550nm, 1625nm Red Light Wavelength: 650nm Batteries: 2 x AA batteries(not include) Type: Gray thin type Package List： 1 x Host 1 x SC Connector 1 x User Manual