Description Self illuminating, light emitting ‘Bivvy’ marker. Smaller sized marker 18 x 7mm, weighs 7 grammes. Supplied complete with split ring for attachment Self powered, no batteries or charging required, no switches to guard and no parts to fail, these are simple and reliable. Radioactive Gaseous Tritium Light Source (GTLS) sealed in a robust clear unit. 10-15 year life span, these work underwater and at temperatures between minus 40 and plus 70. Four colour options, blue, green or red. Please select your preference.* *Please note colours are offered subject to stock, and we may substitute colours depending on availability. Please advise at time of ordering if possible substitution colour is unsuitable. Second image shows all 3 sizes of kit marker, left to right ‘super’ marker, ‘kit’ marker and ‘bivvy’ marker.
