DeepSea's SeaLaser 100 is ideal for underwater scaling, aiming, and range finding. Both green and red color options utilize a 532 nm (green) or 635 nm (red) <5mW semiconductor laser...
DeepSea's Micro SeaLaser is a laser for underwater scaling, rangefinding, and aiming that utilizes a 635 nm and <5 mW semiconductor laser diode at depths up to 6,000m.