1. Anti-fog and waterproof: The lens is coated with a waterproof film layer to that no water droplets remain on the of the lens to avoid affecting the effect. At the same time, the anti-fog function allows you to normally in different temperature and humidity environments. Whether it is cold outdoors or humid indoors, you don't have to worry about the lens fogging and blurring the picture. 2. Dustproof and anti-deformation: It can effectively block dust from entering and keep the lens clean. And it has good anti-deformation ability. Even if it is squeezed by a certain external force, it can maintain its original-shape and continue to provide stable protection for the lens. 3. High temperature : In a high temperature environment, the protective lens can still maintain stable performance and not be deformed or damaged due to excessive temperature, so you can use it with confidence under harsh conditions. 4. The rotating installation method makes installation and removal very simple and convenient. Without complicated tools and operations, you can quickly install or remove the protective lens for the device, saving time and energy, allowing you to focus more on . 5. The small size does not take up too much space whether it is placed in a pocket or a camera bag, making it convenient to carry out and provide protection for the device anytime, anywhere. This protective lens is made of optical tempered glass, coated with anti-reflection, anti-fog, and anti-water film, and has been hardened. It can effectively resist scratches in daily use and is more . Color:Black & parent Material:Optical glass Package Contents: 1 pair * Lens Guards Protection 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