Glo Toob LED mark light is "constant on" design with stainless steel split ring connector to clip into any BCD, tank or D-ring. LED life is 100,000 hours, battery life is approx. 30 hours continuous use. Compact 2.75" long x 0.75" dia. Glo Toob LED mark lights are virtually indestructable and rated to 11,500 feet (3500m)! Available in 5 high visibility colors. Visible for miles!
