Mark-Lite (blue body - red cone)

The chemical lightstick alternative. Tired of throwing away chemical light sticks after every use? The TekTite Mark-Lite is The Original battery operated submersible marker light. Use one in the dark in place of a chemical lightstick while kayaking, scuba diving, camping, or and biking. Every Mark-Lite features a reliable, twist-on switch and uses 3 AA batteries. Save money while helping keep our environment and oceans clean. A bungee lanyard is included. Glows with a night vision saving red color.

Replacement Glow Cones available in Red, Green, & Clear: Item TT-3A-5112.
Specifications
Depth Rating: 1,000 feet (300 m)
Bulb: 2 LEDs
Bulb Life: 100,000 hours
Burn Time: 50+ hours
Batteries: 3 AA Alkaline
Dimensions: 9.75 inche Long x 1.2 inches Diameter.