It is supplied with a velcro strap which can easily and quickly be fastened to the diver's arm or any other convenient location. Why not attach it to the shot line during during your next wreck dive to assist in relocating the line

• Visible to 3.4 km - at surface
• 1 candela output
• Depth rated to 50m
• Powered by 1.5 v C type battery - not supplied
• Magnetic on/off reed switch
• Velcro strap supplied
• Weight 88gms without battery
• 127mm in length
• 39mm diameter