The original hybrid metal detector from industry leader Gold Digger detects treasure on both land and sea. Act today and save almost 70% while they last! Gold Digger MD-3080 hybrid metal detector is fully submersible so you can treasure hunt where others can't - you can even use it while snorkeling or diving! This unit is not only a high end land detector, it is also completely submersible and can be used in fresh and salt water alike. And when it finds a promising target, it alerts you by sound and a bright flashing LED. Also features well-balanced ergonomic design for comfortable use, 8 coil, a sophisticated VF (variable frequency) discriminator with a full range of trash rejection controls, 6.4KHz working frequency, surface mount PC board technology, 10 sensitivity modes, quartz crystal controlled audio, 2 search modes and more. Comes with waterproof headphones. Requires 8 'AA' batteries (not incuded). Not for use by children under 13 years of age.