SOLAS Lifebouy Light - Traditional Style
Activated by a mercury switch
Must be stored upside down - light activates when facing up in water
It includes an "O" ring lens seal, rope lanyard
Require 4 X "D" cell 1.5V batteries ( not included )
Use only Duracell or Energiser alkaline batteries
Do not use standard type "D" cell batteries
Fully approved for use on commercial vessels or pleasure craft
Shows a continuous bright white light when floating upright in the water