Fangrui Product Details 1. Optical Glass, Precision Grinding And Polishing, High-definition Imaging, Double-sided Multi-layer Nano-coating Process, Restore The 2. Installation Not Damage The Lens, The Filter At Any Time, So That You Do Not Miss The Wonderful Moments. 3. For Your Lens Protection; 4. Small And , Logo Engraved By Laser Engraving Not Fade, 5. Adjustable Filters, By Rotating The Gear Can Adjust The Light, Choose The Right Luminosity For , Specification:nd8 Colour:black Material:optical Glass Package Contents: 1 X Drone Lens Filter 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.