This specialized waterproof laser pen can launch high-strength red laser beams that are readily visible underwater. This innovative underwater laser pen is 100 meters (300 feet). It is very appropriate to point out benthic organisms without disturbing coral reefs. It's made of aluminum of aircraft class, and anyone can easily signal your dive partner. It's a great diving appliance and a great gift. This pointer can also be used on land。

Specifications:

Laser level: 3r (iiia) output power: 300 m (extrawater) dimension: 150 mm x depth: 25 mm waterproof: up to 300 feet