Fiber Power Loss Meter Connector Type FC SC ST Adapters Included Universal Fiber Mode Measured Multi-Mode Single-Mode Product Type Fiber Optic Tester Testing Functions Optical Power Measuring Features Calibration Function Designed for the Field Ready for FTTX Save Time and Money Includes Carrying Case FC Adapter SC Adapter ST Adapter Universal Adapter Includes Batteries Yes Maximum Wavelength Measurement 1 490 nm