Audio: 4-tone (bass

11 in (width) / 4

Bone conductor headphones are required for underwater audio output

It will protect your find from moisture and oxidization

just audible

Fisher 1280X Submersible Metal Detector with 8" Waterproof Coil submersible Audio: 4-tone (bassThe Fisher 1280X, also known as the Aquanaut, is a fully submersible VLF metal detector waterproof to 250 feet, built for underwater coin shooting, relic hunting, and diving. It runs at a low 2. 4 kHz with automatic ground balance and adjustable discrimination, so it stays simple and stable while you move from dry sand to wet sand to full submersion. With permanently sealed dive headphones, an 8 inch concentric coil, and a light fiberglass reinforced