The DRS-100B Diver Recall/Hydrophone systems is U.S. Navy Approved and used by Naval Special Warfare units, salvage divers, and recreational dive boats around the world. It is designed to alert all divers within range with either voice, a solid tone, or an intermittent tone. You can also feed sound into the water (e.g., music, pre-recorded announcements) via a line-in connection located on the front panel. The DRS-100B also has a listen mode allowing the user to listen to marine and/or man-made noise. A record-out receptacle allows the user to connect the unit to a recorder.

The system is portable and comes standard with a high-quality hand-held microphone, transducer with 25' of cable, rechargeable batteries, battery charger, and main electronic unit. The DRS-100B is a must for all diving operations!