This Tone Generator Kit includes a 200EP Wire Tracer Circuit Tester and a Tone Tracing Probe Kit. This battery-powered device is designed to help identify issues with computer cables and connectors. The compact kit consists of a wire tracer, circuit tester, and probe, making it ideal for troubleshooting and testing computer systems. With its portable design and easy-to-use features, this Tone Generator Kit is a valuable tool for professionals and DIY enthusiasts alike.