Offers easy testing of datacom cables with RJ-11 or RJ-45 connectors and coax cables. One button operation makes checking cables for opens, shorts, and pair mapping a snap! Locates up to 7 cables after installation. Test the DataCom and coax cables before or after the installation. Mapping function tests pin-to-pin connection. Check for straight or cross-pinned cables. Identifies pairs and open/short condition. Low battery indicator and auto shut-off. Includes a protective holster and custom molded carrying case. 9V Battery (#590009) included.