Seatrackbox offers a real-time tracking system for containers that have fallen into the sea: - box fixed to the outside wall - daily signal from the moving container - alarm when container falls into the water - tracking of the container while floating or between 2 waters - if the container sinks, the beacon detaches and sends an alarm This system reduces the risks: environment, shipping, population: Risks: environment, shipping, population; Costs: operators, insurance, public services