Klein Tools VDV500-705, 9V, Yellow LED Display Technology Tone/Probe Circuit Tester, 4-Piece

• Simple tone generator and wire tracing probe for non-energized wire runs
• Responsive probe with durable, non-metallic, conductive tip
• Alligator clips are provided for unterminated wires
• Includes RJ45 to RJ45 test cable for toning or testing data cables
• Toner and probe together perform pin-to-pin wire map test