Fangrui Product Details High-definition Professional Optical Glass With High Durability And Scratch Resistance Multi-layer Nano-coating Process, Clear Imaging, Meeting High-pixel Imaging Standards During Using High-quality Craftsmanship, The Lens Is Waterproof, Oil-proof, And Scratch- Aviation Aluminum Frame Material, Firmly Sealed, , , Not Affect Drone Calibration Or Balance, Not Fade Or Rust These Filters Are For Capturing Stunning Professional-quality In A Variety Of Lighting Conditions, Helping To Reduce Glare, Increase Color Saturation And Manage Exposure. Take Your Drone Photography To Level With This Essential Accessory Kit Applicable Models:for O4 Air Unit Pro/avata2 Protection Performance: Waterproof, Oil-proof And Scratch- The Product Appearance And Printed Words Depending On The Batch, But This Does Not Affect Use. Colour:as Shown Material:cnc+optical Glass Package Contents: 1 * Cpl Filter 1 * Nd8 Filter 1 * Nd16 Filter Only The Above Package Content, Other Products Are Not Included. Note: Light Reflectio