Packing list - 1 x Insta360 X3 Dive Case. Includes a 1/4 inch mounting screw compatible with selfie sticks or tripods to expand usage. Water depth - Waterproof to 40 m, suitable for surfing, rafting, snorkeling and other sports scenes. Enables panoramic underwater shooting to explore the underwater world. Materials and optics - Optical imaging tempered glass with lens transmittance ~92%. AR coating increases transmittance to over 98%, plus a waterproof film layer to prevent water droplets on the lens surface and preserve image quality. Sealing performance - Tight housing seal improves waterproofing and helps prevent dust ingress into the camera. Use scenarios - Surfing or white-water rafting to capture action from within a protective housing. - Snorkeling or diving to shoot clear underwater footage and panoramas. - Reef and marine life photography with reduced risk of water and dust intrusion.