Simple Installation: Easy to install and remove, installation will not damage the original lens, change the filter at any time, do not let you miss the wonderful moment. Multi Layer Coatings: Adopts double sided multi layer nano coating process, giving the lens waterproof, oil proof, anti fouling and scratch proof performance. Shooting: VND2‑5 filter can be adjusted to reduce the amount of light entering and ensure the correct value of exposure, can accurately adjust the shutter speed and make the video smoother. Gear Adjustment: Support multi gear adjustment, after installing the filter, you can rotate the gear to adjust the gear according to the needs of the scene. Applicable Model: Adopts aviation aluminum frame material, no fading and no rust, lightweight, does not affect work and self test, suitable for DJI 3 Classic.