Photo 1 of QWORK Optical Power Meter, -70~+10 dBm, with Universal 2.5mm Interface, Fiber Light Meter for Testing 6 Calibration wavelengths,Blue

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Photo 1 of QWORK Optical Power Meter, -70~+10 dBm, with Universal 2.5mm Interface, Fiber Light Meter for Testing 6 Calibration wavelengths,BluePhoto 2 of QWORK Optical Power Meter, -70~+10 dBm, with Universal 2.5mm Interface, Fiber Light Meter for Testing 6 Calibration wavelengths,Blue