The new Innovative Optic Tube LED mark lights feature a green light easily seen underwater without being over-bright. Available in flashing or constant-on models. Available as Single-End model (shown) with 1 LED & battery or Double-End model with LED & battery at each end for additional safety, should one end go dark. Burn time is approx. 50 hours between battery changes. Rated to 300 feet. Use as a mark light for buddy location on night dives or to mark a location underwater.
