For Insta360 X3 PULUZ Invisible Dive Case 50m Waterproof Sealed Case (Transparent) Features 1. Real machine mold opening, fully suitable for Insta360 X3 action camera. 2. The lens material is PMMA, with a light transmittance of 95%. After coating with AR anti-reflection film, the light transmittance reaches 98%. It has an AS waterproof and anti-fingerprint film, and an AS hard film. The surface hardness is 5H, which is comparable to the hardness of ordinary glass and is anti-fingerprint. scratch scratch; 3. The protective shell is made of hardened PC, scratch-resistant, textured, anti-splash and anti-fingerprint; 4. 360-degree total invisibility, eliminating all blind spots; unique optical spherical lens design, underwater panoramic splicing, can restore a seamless panoramic picture; 5. 50-meter full-body underwater waterproof design, very suitable for diving, snorkeling, swimming and other water sports. 6. Waterproof ring material: Amorphous highly active silica gel 7. Material of the connecting shaft between the main body and the back cover: High hardness 304 stainless steel 8. Button material: Stainless steel Package List 1. Waterproof case x 1 2. Invisible adapter x 1 3. Long screw x 1 4. Small wrench x 1 5. Storage bag x 1 6. Alcohol pack x 3 packs (6 pieces in total) 7. Anti-fog tablets x 4 pack (24 tablets in total)