... USB interfaces, supporting USB stick and direct cable download to PC via ActiveSync ♦ Supporting Bellcore GR196 file format in writing ... operating life ♦ Visible fault locating (VFL) ♦ Universal FC/PC,FC/SC,FC/ST connector type, it's convenient for surface cleaning ♦ Unique function of ... /UPC (universal connector)Power SupplyDC: 15V∼20V(3A), (AC adapter 100∼240V,50/60Hz,1.5A),Built-in Lithium battery ...