The Waterproof Case for the Powershot SD-980. lets you take your camera safely out to sea in a boat, on a surfboard, in a kayak...or up to 130 ft./40m beneath the surface.For the underwater enthusiast, Canon offers an optional waterproof case weight set (WW-DC1) that is compatible with all of its underwater housings. Available in packs of four, these weights allow the camera to stay put for steady underwater photography.