Product details:

The new VDV II Series are easy to use cable verification testers that check the integrity of copper cables commonly found in domestic, commercial or industrial voice, data or video installations, including telephone wiring, data network and video/security cabling. - Accurate - Advanced TDR (Time Domain Reflectometry) measures cable length and provides distance to fault information in the VDV Pro - Fast - Identifies wiring errors instantly and displays the results all on one screen - Intelligent - Quickly determines which phone service is running over cables, such as ISDN or PBX. Identifies voltage, pin and polarity for Po - E (Power Over Ethernet) applications.