A marine distress beacon of type EPIRB1 from the brand Ocean Signal. Device Type: Emergency Position Indicating Radio Beacon (EPIRB) used for satellite positioning. Features: Characterized by its small size and long battery life of up to 10 years. Usage: Designed for use on boats and yachts to send immediate distress signals in emergencies. Registration: The device requires programming and special registration with the vessel's MMSI number. The device was bought new and unused, and its battery is still in its original packaging, never used.