1. [Compatible Model] Dive Case fit for Insta360 GO 3 Action Camera. suitable for water sports, underwater outdoor activities, such as snorkeling, surfing, swimming, etc. it can also be used in rain, snow, strong wind, dusty and other environments. 2. [40M/131FT & Good Sealing]This waterproof housing case for Insta360 GO 3 has a sealing ring and lock catch, which has very reliable structural performance. The shell body is thickened, more solid, not easy to deform, air tight and no leakage, effectively preventing water from entering the camera. and it also won't damage the shooting effect, clear and vivid. 3. [ Material] PC+Stainless Steel+Acrylic material is waterproof and durable. high light transmittance, compression resistance and restores the clarity of the camera. up to 40M/131FT, ideal for diving, surfing, snorkeling and other water sports activities. 4. [Optical Spherical Lens & Panoramic View]The unique optical lens design can greatly compensate for the imaging differences caused by the camera when shooting underwater, restoring a seamless panoramic image. Lens special optical AR coating treatment, light transmission is close to 99.9% can be clear through the shooting picture