Fully Invisible Diving Quick-Release Waterproof Protective Case Accessories 1. Comes with a quick-release magnetic base, compatible with original quick-release lenses and most magnetic interfaces on the market. 2. Protects the camera from bumps and knocks, wear-resistant and scratch-resistant, 360-degree completely invisible, seamless underwater panoramic image stitching. 3. Eliminates all blind spots, waterproof to 40 meters. 4. The lens material is PC, with 95% light transmittance. After coating with AR anti-reflective film, the light transmittance can reach 97%. AS waterproof and fingerprint-resistant film, AS hardened film, surface hardness 5H, comparable to the hardness of ordinary glass, with added anti-reflective and anti-fog film and anti-water droplet coating to ensure maximum light transmittance during shooting, striving to achieve the clarity equivalent to shooting without a case. 5. The shell is also made of hardened PC, with 10-grit texture inside and out, making the product scratch-resistant, textured, scratch-resistant and fingerprint-resistant. 6. The front buttons are made of silicone material, which is both waterproof and allows for underwater camera operation. 7. Button Material: Stainless Steel 8. Waterproof Ring Material: Amorphous High-Activity Silicone 9. Connecting Shaft Material between Main Body and Back Cover: High-Hardness 304 Stainless Steel