Fiber Optic Test Kit, Connector Type FC, SC, ST, Adapters Included FC, SC, Universal, Fiber Mode Measured Multi-Mode, Single-Mode, Product Type Fiber Optic Tester, Testing Functions Optical Power Measuring, Display Type No Display, Features Calibration Function, Designed for the Field, Ready for FTTX, Save Time and Money, Includes (4) Wavelength Lightsource, Carrying Case, Includes Batteries Yes, Maximum Wavelength Measurement 1,490 nm