Big Blue - Easy Clip Marker Light with Flash S-Tek Accessories which makes it resistant to

which makes it resistant to abrasion and weather factors

Its system features internal parts that are sealed from the elements

They also come standard with a dive/pre-dive switch and a super comfortable orthodontic mouthpiece

Replaceable 100% liquid silicone mouthpiece

Big Blue - Easy Clip Marker Light with Flash S-Tek Accessories which makes it resistant toThis light is our version of a marker light! It comes with low light output so its not districting, but bright enough to be seen by other divers. This light easily clips onto mask straps, belts, straps and many other locations. Each light can be set to illuminate in three color choices: red, blue or green. (One color variation for each individual light) Details: Powered by 2x standard CR2032 coin cell batteries Easy Clip can last up to 72 hours