RL-2 Forespar's new approved personal strobe flasher should be an essential part of every yachtsman's safety gear. Meets U.S.C.G. 161.012, and S.O.L.A.S. (Saving of Life at Sea) when powered by an alkaline "C" battery replaced annually or by optional dated long life lithium battery pack (Forespar Part No. 202154). Waterproof to 120 feet, this personal rescue light has a Velcro strap for attachment to upper arm or safety harness. Measures approximately 5" high, weighs only 5 oz. and flashes for over 24 hours. Batteries are not included.