Olympus PT-016 Underwater Housing for Stylus 300, 400 and 410 Digital Cameras Tight O-ring main seal with safety lock Stainless steel and nickel-plated brass hardware Features a large, responsive shutter button, precision zoom lever, and durable controls Great for diving, snorkeling, surfing, skiing, fishing, sailing, or even in certain industrial situations Durable transparent polycarbonate housing