for insta-360 X5 fully invisible diving shell <br> <br> <br> Function: 360-degree fully invisible, blind spots eliminated, waterproof 50 meters <br> <br> <br> Material: PC + high-definition optical glass <br> <br> <br> 1: The lens material is PMMA, with a transmittance of 95%. After for anti-reflection film coating, the transmittance can reach 98%, AS waterproof and anti-fingerprint film, AS hard film, appearance hardness of 5H, comparable to the hardness of ordinary glass, scratch-resistant, so that you can take photos with one lens in hand without worry <br> <br> <br> 2: The shell is made of hardened PC, with 10-grade fine lines inside and outside, making the product scratch-resistant and textured, <br> <br> <br> 3. Upgraded 360&deg; fully invisible Blind spots are completely eliminated <br> The new fully invisible waterproof shell can be 360&deg; invisible above and below the water <br> <br> <br> Material for anti-stain and anti-fingerprint buttons: stainless steel <br> Material for waterproof ring: amorphous high-activity silicone <br> Material for connecting shaft between the main body and the back cover: high-hardness 304 stainless steel <br> <br> <br> Package Content: <br> 1*Waterproof Case