Waterproofing and enhanced rigidity Ground aluminum alloy material is used to make this camera housing waterproof down to 100m/330ft. under water. Moreover, this underwater housing's shockproof and crushproof performance also enhances protection of the camera from impact. Extendable performance Underwater video light accessory can be attached. ΓΈ55mm filter can be attached. Operability All operations including power on/off switching and menu selection are supported while the camera is clad with this housing.