IntelliTone gives you SuperVision for locating cable hidden in floors, ceilings, walls, and in bundles. Its breakthrough digital technology makes analog toners and probes obsolete. Smart visual and audio indicators eliminate guesswork, making it easier to use. It's faster, too--with probe controlled sensing modes. And it's great for troubleshooting-- with service ID and an end-to-end cablemap to give you diagnostic info for solving problems quicker.