Anyone experienced searching for caves with a 2Box?

Greetings one and all. I think the Fisher Gemini-3 two-box is capable of finding caves. Has anyone had any experience looking for caves with a two-box? Keep diggin.........

Hi kevin do you know any one at the water dept. in the area you live?Especially a older Gentleman I bet would know a little about that 2-box? Wish I could help sounds interesting?dream big friend!!! rapidroy

Thanks, Rapidroy. No, i don't know anyone at the water dept. I guess I could contact Fisher, and ask them. And I can do some research online. And I can experiment with caves myself. Just been so busy doing treasure leads research lately.