OT: Are there any tone/probe tools for locating AC circuit breakers that actually work?

I've got a Sperry CS-500A that's pretty much useless: great for finding
the panel, not very helpful for finding the breaker.
The CS-500A is at least 5 yrs old. Perhaps there's newer technology
that works better?
TIA
Frank
Frank Denman
Denman Systems
(please remove the x from my email address)
Reply to
Frank B Denman
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