Underwater Metal Detectors are used by underwater search & recovery teams. This underwater metal detectors are also used by treasure hunters, archaeologists, sport divers, military & law enforcement people. This underwater metal detector has different detection modes for searching and prospecting. They are used on both fresh and salt water. They are based on digital technology. This detector has deep searching circuitry. Underwater metal detectors use advanced pulse induction technology. This provides more detection depth and stability in mineralized environments. Underwater metal detectors have electronics built into the headphones. This underwater metal detector consists of permanently encapsulated high output headphone transducers.