? Waterproof , lightning protection ,Adjustable angle.
?By using the theory of optical manufacturing,through professional processing light transmittance is close to 99%, the improved mask has explosion-proof, waterproof, wear resistance and high temperature resistant characteristics.
?All our products through strict compression test and aging test, ensure the safety of each product.
?Suitable for used in the etc.
?With the best package, carton boxes, to give you best guarantee to receive the best products.