Marine signaling safety device, namely, safety marker device that can be attached to a life vest, namely, an alert flag that raises and lowers automatically based on the wearer's position in the water; portable safety flag device that can be integrated into a life vest to provide enhanced visibility of the life vest wearer, namely, safety marker device that can be attached to a life vest, namely, an alert flag that raises and lowers automatically based on the wearer's position in the water
Electrical and Scientific Apparatus