<p>Reliability : These marine lights provide a high visibility signal when critical and are designed to provide reliability in critical moments , from sudden storms to navigational emergencies . It can attract attention and prepare the crew for unexpected challenges on the water</p><p>Multi Mode : These lights have adjustable signal modes ( steady , flash , SOS ) that adapt to changing conditions , from dense fog to low light rescue . Easily switch between settings to maximise visibility to helicopters , boats or nearby vessels , ensuring your distress signal is clear in any emergency</p><p>Waterproof : The rugged design ensures consistent performance in the salt water , wind , or inclement weather , making it a reliable last line of defense</p><p>Material: Plastic <br/>Size: 2.4x19cm/0.94x7.48 inch<br/>Power Supply: 2 x AA Battery (Not Included)</p>