Suitable for craft sailing further than 7 miles from shore. Buoyant Smokes – Simply open the lid, pull the ring and throw the signal into the water. Upon activation the flare remains afloat producing orange smoke for 3 minutes to mark you location. Features close range distress signal used to pinpoint position during day or night. Simple hand-held pull operation. Corrosion-resistant steel tube with a shockproof plastic handle.