Dual-Wavelength Single Mode Optic Light Source With LED Flashlight For Optical

--\n\nFeature: \n 1. With LED flashlight button, click to turn on or off the lighting function, can work normally under dark conditions.\n2. Anti\u2011drop silicone cover, detachable protective silicone cover, split design protection is more in place.\n3. Exquisite and compact, easy to operate, easy to carry and convenient to store, not easy to lose.\n4. There is a continuous wave output with 3 modulation frequencies. Ergonomic design for one\u2011handed operation.\n5. Seven different test wavelengths can be selected, and the selected test wavelength is displayed at the top of the screen. \n\nSpecification: \n\nItem Type: Single Mode Optic Light Source\nMaterial: ABS+Silicone Cover\nColor: As shown in the picture\nWavelength (nm): 1310+1550nm (KLS-35-S)\nTypical Output Power: -5dB\nOptical Single Mode Connector: SC + 2.5mm universal (LC choose 1.25mm)\nPower Supply: Alkaline batteries (3 x AA 1.5V batteries)(Not Included)\nOutput Stability: \u00B10.05dB / 15 minutes; \u00B10.1 dB / 8-