The Klein Tools VDV500-820E Tone-and-Probe PRO Set is a professional cable testing kit specifically designed for network technicians and installers. It includes a tone generator and a locating probe equipped with five different tones to enable precise cable identification and tracing in complex wiring environments. The RJ11 and RJ45 connectors ensure continuity and polarity testing, which is essential for correct connections in telephone and Ethernet networks. The locating probe features a built-in LED work light that enhances visibility in low-light conditions, thereby increasing functionality during installations and troubleshooting. Powered by the included AAA batteries, this tool offers reliable performance in the field. The entire set is housed in a sturdy carrying case that provides protection and organization during transport and storage.

• Five different tones for precise cable identification
• RJ11 and RJ45 connectors for continuity and polarity testing
• Integrated LED work light for better visibility
• Sturdy carrying case for secure transport and storage.