The lens with a light transmittance of 95%. After coating with AR anti-reflection coating, the light transmittance can reach 98%. AS waterproof and anti-fingerprint film, AS plus hard film, surface hardness is 5H, comparable to ordinary glass hardness, anti-scratch, Achieve worry-free photography with one lens in hand The shell is made of hardened PC, with No. 10 fine lines on the inside and outside, making the product scratch-resistant, textured, anti-splash and anti-fingerprint Function: 360-degree fully invisible, all blind spots eliminated, waterproof to 50 meters Colour:transparent Material:PC+optical glass Package Contents: 1 x case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.