Water Activated Flasher Dive Marker Light - Blue, 500 Hours, Water Contact Only

• Lights turn on when they come in contact with water and turn off when they are dry.
• Flashing mode only.
• Ideal for dawn, dusk and night dives - make divers easy to spot under water and are reusable unlike glow sticks
• Helps you keep track of your buddy under water
• Batteries are non-replaceable. Light lasts 500 hours under water.

These disposable water activated marker lights turn on when they come in contact with water and turn off when they are dried off. Total burn time far exceeds most marker lights on the market. These lights come with non-replaceable batteries and are available in flashing only!.