Fisher Labs 1280X Aquanaut Metal Detector with 8" Search CoilFisher Labs 1280X Aquanaut Metal Detector with 8" Search Coil When diving, but full extension is preferred when standing or wading. The 1280X is submersible to 250 feet. The control housing can be easily removed for hipmounting or it can be chest mounted with an optional chest harness. The 1280X is known for being the best fresh water detector, but can be uses in saltwater. The deep seeking 1280X Aquanaut features turn on and go operation because it