Halcyon Signal Marker Buoys are designed for easy inflation at depth. Equipped with an integrated over-pressure relief valve, these Diver's Alert Markers can be effortlessly deployed from significant depths. When deflated, all markers conveniently fit into a Halcyon thigh pocket or the backplate MC Storage Pack.

For enhanced visibility, Big and Super Big Alert Markers are adorned with Coast Guard approved SOLAS reflective tape. The Halcyon Diver Alert Markers, excluding the semi-closed model, feature the innovative No-Lock® connector, providing the option for oral inflation or connection to an LP hose.

Divers can choose from different colours including yellow, shocking pink, or orange, for several Diver Alert Markers. This allows divers to select a colour for marking their position and another for emergency situations, catering to individual preferences and safety needs.