http://www.gardnerbender.com/whats_new/products/Circuit_Alert.shtml

I got one testerday, but haven't used it yet.
I like the standard GB unit though.

Those of you who have been here some time may remember my initial entry into this site. Users of these instruments, please read it here:
https://www.electrical-contractor.net/cgi-bin/ultimatebb.cgi?/topic/1/133.html#000000

BTW, it's been 6 years. I still haven't heard from them!