"This product is free to use your camera water sports photos, such as swimming, surfing, boat dives into the depths of no more than 40M Filming of the underwater world.You can also raining, windy, mostly cloudy, dusty or muddy environments used for filming purposes.Regardless of any ring Borders are able to provide the best protection for your camera, make your experience unprecedented ways of shooting. In order to achieve the best shooting results and provides the most secure protection for your camera, follow the old Assembly and use of the user"s Manual of your camera waterproof Shell. 1) Material: polycarbonate, ABS palstic, clear plate glass, stainless steel, EPDM ruber 2) Maximun water depth: 40M 3) Weight: 695g 4) In case water leaking is observed while using camera case, immediately stop using it and remove it from water. Fail to do so may cause electrical or fire hazard. The camera may also be damaged use cloth or tissue paper to remove the water from the camera case and the camera immediately and check it according to the instructions given by this manual"