The Ikelite 6183.34 Underwater Camera Housing is made out of Clear Polycarbonate which provides unobstructed view of the camera's information and control functions with visual confirmation of o-ring seal. Depth Rated 61m (200ft). The housing "O" ring seal is a masterpiece in fail-safe simplicity compared to designs that require stuffing the "O" ring into a groove. You can see that the "O" ring is sealed. The housing size and weight provides almost neutral buoyancy and superb handling underwater. Camera installation is quick and simple. The dependable controls are conveniently placed at fingertip and kept water tight with the Ikelite pioneered Quad-Ring.