For Insta360 One RS 1-Inch 360 Edition PULUZ 40m Underwater Waterproof Housing Case Features 1. Waterproof up to 40 meters, providing reliable pressure resistance and protection. 2. Features a symmetrical locking buckle design with a robust and durable construction. The thickened shell is sturdy and resistant to deformation. Suitable for diving use and offers comprehensive protection for your camera and lens, helping prevent scratches. 3. Made with light-transmitting material, ensuring sufficient light transmission during shooting. 4. Equipped with optical-grade tempered glass with a lens transmittance of approximately 92%. The lens includes an AR anti-reflective coating to achieve over 98% transmittance, and features a waterproof coating with a 115-degree water-repellent angle to minimize water droplets on the surface, helping maintain clear image quality. Specifications 1. Shell Material: High permeability, corrosion-resistant PC (Germany Bayer 2805) 2. Button Material: Stainless steel 3. Waterproof Ring Material: Amorphous highly active silica gel 4. Connecting Shaft Material (between body and back cover): 304 stainless steel with high hardness 5. Product Dimensions: 17.8 x 8 x 6.6 cm 6. Product Weight: 165g Package List 1. Waterproof Case x 1 2. Invisible Base x 1 3. Screw x 1 4. Anti-Fog Sheet x 1