The fascinating Water Activated Flashing Marker Light turns on when it comes in contact with water, and turn off when it dries. The 500 hour life far exceeds most marker lights on the market, and these are disposable with non-replaceable batteries. It has a little lanyard on the end so that it’s easy to clip onto your BCD. Become more visible underwater with the easiest marker light you can buy—the Water Activated Flashing Marker Light.

Water Activated Flashing Marker Light Features:

• Flashing mode only
• Light activates when wet and deactivates when dry
• Helps you be easier to spot underwater
• Up to 500 hours of light
• Non-replaceable batteries