... operating life ♦ Visible fault locating (VFL) ♦ Universal FC/PC,FC/SC,FC/ST connector type, it's convenient for surface cleaning ... be guaranteed less than -40dB.Specifications:MODULE2101Wavelength1310nm/1550nm ±20nmApplicable Fiber Dynamic Range128/26dBDistance Measurement Accuracy±(1m + sample space ... universal connector)Power SupplyDC: 15V∼20V(3A), (AC adapter 100∼240V,50/60Hz,1.5A),Built-in Lithium ...