This Orion Accessory Signaling Kit is a must for your boat or kayak if watercraft safety is at the top of your list. The Accessory Signaling Kit contains a basic selection of visual and audible signals to alert search and rescue services of your location when they are near. Yes, a personal locator beacon provides the initial SOS and whereabouts, yet an orange USCG-approved flag, a reflection mirror, a whistle, and bright dye still help sea and air rescuers pinpoint your location in watery environments. It's a big world out there, so make it easy for rescue teams to find you in an emergency situation. Buy this now, keep it on your watercraft, and hope you never have to use it. Don't put it off, be safety conscious and obtain this Orion Accessory Signaling Kit now. Complete selection of non-pyrotechnic sight and sound signalsDistress flagU.S. Coast Guard-approved daytime signalHeavy-duty vinyl constructionBright orange with international distress signal3 x 3 ft. square with four 24 in. nylon tiesMeets NY and OH requirementsSignaling mirrorHighly visible signal for rescue boats and aircraftCan be seen for up to 10 milesIncludes lanyard and sighting holeNon-corrosive materialFluorescein dye markerExtremely effective daytime signalProduces up to a 50 square foot highly visible green cloud in the waterEnvironmentally safeWaterproof container with lanyardSafety whistle with lanyardSOLAS approvedDelivers high shrill signal (116 db at 1 meter)Pealess design won't freezeHigh visibility orange plastic constructionHelps sea and air rescue teams spot you when nearby