In terms of its features, the Garrett Pro-Pointer AT is submersible up to 3 meters. Here are the photos submitted by Frogmaster Riviera, showing his own experiment conducted with the Garrett Pro-Pointer AT – he dived to a depth of 47ft.
All about the Garrett Pro-Pointer AT is collected here (news, photos, videos) and here (specifications, features).
what the pictures show is the empty Garrett casing..:-)