Comprehensive Filter Kit: Elevate your aerial photography with the O4 Air Unit Pro Filters Set. This kit includes ND8, ND16, and ND32 filters, each designed to enhance image quality under different lighting conditions. ND Filters: Comes in ND8, ND16, and ND32 strengths, allowing you to control light exposure and motion blur, making them perfect for bright environments. Compatibility: Specifically designed for the O4 Air Unit Pro, these filters a and easy installation, enhancing your FPV flying and photography experience. (The product printed words depending on the batch, but this does not affect use) Color:Black Material:Aluminum Optical Glass Package Contents: 1 * ND8 Filter 1 * ND16 Filter 1 * ND32 Filter 1 * Lens Cleaning Cloth 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.