The Fluke Networks PTNX2-CABLE Pocket Toner NX2 Cable Tester Kit is Just like the adapters you need for quickly testing continuity, shorts, splitters, 50-75 ohm terminations and polarities in a compact hand-held case. Unique five-function 8-segment LED display as well as audio confirmation tools are pocket-sized, durable test devices that allow users to quickly and easily test voice, data, video cables for open and short circuits, and continuity. The Fluke Networks Pocket Toner NX-2 is ideal for identifying and testing low voltage, singular coax cables for continuity, opens and shorts. Low voltage protection and verification up to 52 volts. Included in the Fluke Networks PTNX2/CABLE, the Fluke Networks PTNX2 Pocket Toner NX2 tests VDV cables for continuity, AC and DC voltage (low voltage protection and verification up to 52 volts), opens, shorts, 50-75 O termination, and polarity with the optional Dial Tone detective adapter.