Optical Power Meter 4 in 1 M70 / OPM Fiber Optical Cable Tester

Optical Power Meter -M7 OPM Fiber Optical Cable Tester Fiber Type: Single Mode Connector Type: SC/FC/ST Model Number: -M70 Probe Type: InGaAs Wavelength range: 800 to 1700nm Calibration wavelength: 850/980/1300/1310/1490/1550/1577/1625/1650nm Measuring range: -70-+10dBm Power supply: 2 x AAA batteries (not include) Colour:Photo Color Material:plastic Size: x 69 x 30mm Package Contents: 1 x Optical Power Meter 1 x rope Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.