1. Specially designed for Insta360 X3: This case is for the Insta360 sports camera. Please verify your camera model before to avoid unnecessary returns. 2. 45 meter deep protection: The diving housing is constructed from strength PMMA, stainless steel, and optical glass, featuring a robust structure and waterproofing. It can withstand water pressure up to 45 meters, allowing you to capture photos underwater without hesitation. 3. HD Optical Glass Lens: The sports camera case is equipped with built in tempered glass, offering light transmission for sharp and vivid optical imaging. It ensures clear and true to life underwater shots, enhancing the professionalism and impact of your work. 4. All around protection: This HD optical glass case provides strong waterproofing and effectively blocks impurities, ensuring camera performance in various harsh environments and extending its lifespan.