LilyStore Optical Power Meter Tester sku-18349168666

The LilyStore Network and Cable Testers item, SKU sku-18349168666, is a portable optical power meter and visual fault locator. The title describes a 2X 4-in-1 tester with a 5Km light pen. It measures 8 standard wavelengths: 850, 980, 1300, 1310, 1490, 1550 and 1625; the stated test range is -70dBm to +6dBm, with a 10mw red light source.

Its FC/SC/ST 2.5mm universal interface also supports RJ45 testing. The display shows linear mW and non-linear dBm readings at the same time. The listing describes it as replacing 2 products, an optical power meter and a red pen. Other functions include 1) lighting, 2) automatic shutdown, 3) backlight selection, 4) wavelength memory and 5) user calibration.