Provides a flashing output 0,75cd. for minimum 8 hours.
50-70 flashes per minute.
Works with 2 pieces of AA Alkaline or Lithium batteries.
Batteries have 5 years shelf life.
Water resistance.
Easy mounting to the life jacket with the help of its cord.
Martek flashing life jacket lights are sold with 2 pieces of Alkaline batteries.
Diameter : 26mm 
Length : 147mm 
Weight : 90 gr.