Waterproofing and enhanced rigidity\nGround 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.\n\nExtendable performance\nUnderwater video light accessory can be attached. ø55mm filter can be attached.\n\nOperability\nAll operations including power on/off switching and menu selection are supported while the camera is clad with this housing.