Heath kit Signal Tracer IT 12
Condition: Listed as SPARES as I’m not really sure how it work? I’ve plugged it in and it makes a humming noise - I touched the probe and it gets loud. I started moving the probe towards the light I use for taking photos and the pitch changed? I then moved it towards my mobile phone and it started clicking!? It reminded me of something you use when ghost hunting :)
It doesn’t look in bad condition for its age but I’m not totally sure it’s complete, you’ll need to double check the pictures provided (these also make up the majority of my description)
Many thanks for looking