Special Features:

Frequency range: 5 to 80 khz; bandwidth 1 khz; sensitivi type 80db; hydrophone directivity typically 30 degrees at 3db limits; lcd display: frequency and low battery indication; led display: signal strength meter; power source: one alkaine "c" cell; battery life: 15 hours; hydrophone staff assembly material: pvc; staff length: 5ft (152cm); hydrophone cable length: 20ft (6m); operating depth: 660 ft. (200 m); weight (in air): 6.5 lbs (2.9 kg); weight (in water): 12 oz. (190 gr); housing material: corrosion resistant aluminum; housing material: corrosion resistant aluminum; housing dimensions: length 9.75 in. (24.8 cm), diameter 4.5 in. (11.4 cm)

Properties:

A device specifically designed to be used underwater to convert underwater sound energy into electrical energy. For items designed to convert electrical energy into underwater sound energy and underwater sound energy into electrical energy, see transducer, sonar. For items designed to convert electrical energy into underwater sound energy only, see projector, sonar.