BlueFox ST1 recognises the depth you are swimming in and measures the time you spending below a certain depth. Once you exceed the preset duration it will release a balloon with a loud sirene to the water surface. This noisy alarm will attract the attention of all present people.
Deep Blue AG
Engenbuehl 130 | CH-5705 Hallwil | Switzerland | firstname.lastname@example.org |+41 62 767 77 99