The Mares Magnetic Shaker is a compact underwater signaling device designed to get your buddy’s attention quickly and effectively. Using internal magnetic components, the shaker produces a sharp, clear sound when activated—no moving parts exposed to sand or corrosion, and no complicated mechanisms to fail.

Built for reliability and ease of use, the Magnetic Shaker attaches easily to a BCD or clip and stays secure until needed. Its simple design makes it an ideal addition to any diver’s safety kit, whether for recreational dives, training environments, or low-visibility conditions where clear communication matters.

Small, durable, and dependable, the Mares Magnetic Shaker is a practical signaling solution every diver should carry.