... 10 hours of operating life12. Visible fault locating (VFL) 13. Universal FC/PC, FC/SC, FC/ST connector type, convenient for ... ±10nm,2mW (typical), CW/1HzLanguageSimple Chinese/EnglishOptical ConnectorFC/UPC (universal connector)Power SupplyDC:15V-20V(3A), AC adapter 100~240V, 50/60Hz ...