The Pro Mount for Watershot Underwater Camera Housing for iPhone 4 / 4S / 5 from Watershot is an adapter that enables the mounting of any optional GoPro accessory on your housing. Like the housing, it has a depth rating of 131' (40 m). It effectively turns your Watershot for iPhone into an action sports camera solution. The Pro Mount is constructed from durable injection molded polycarbonate, which is known for its corrosion-resistant properties. It also has stainless steel mounting screws.