Feature: 1. Compatibility: Designed specifically for DJI Osmo Action 4 Action Camera, providing more space for photography and recording clear scenic views. 2. Lens Protection: This UV filter is suitable for record in environments such as beaches, mountains, and open areas, reducing the blue tone caused by UV and protecting the camera lens. It also helps eliminate interference from UV rays on the CCD, enhancing clarity and color reproduction. 3. Optical Glass: The lens is made of optical glass with accurate grinding, almost no color bias, high light transmission, and clear imaging. It offers you a clear visual experience. 4. Multilayer Coating Process: This filter features a double sided multilayer coating process that reduces light reflections between the lenses, resulting in clear and excellent image quality. 5. Portable and Easy to Install: The thin aluminum frame with oattern design provides a comfortable and non slip grip. It comes with a storage box, allowing you to carry the filter in your pocket or backpack for easy transportation and storage. Installation is simple and convenient, ensuring a worry free video journey. Specification: Item Type: Action camera UV filter Material: Aluminium alloy, optical glass Weight: Approx. 56g / 2oz Fitment: Fit for DJI Osmo Action 4 action camera. Package List: 1 x Action Camera UV Filter1 x Storage Case