Features: Camera lens filter UV CPL ND4/8/16/32/256/1000 for Mini 3 Pro drones. ND/CPL filters, can elimanate reflections, increase saturation, enhance contrast, making the pictures more three-dimensional and transparent, preventing overexposure. Multi-layer nano-coating, water-proof, oil-proof, anti-fouling and scratch-resistant performance. High-defination grinding optical glass lens, brings you clear imaging and restoring the subjective viewing angle experience. Aviation aluminum frame, durable and not easy to corrosion, quick design for easy installation. Specifications: Material: Aluminum Alloy+Optical Glass Packing Size: Approx. 70x80x14 mm/2.75x3.14x0.55 inch Color: Black Process: waterproof for nano multi-layer coating Type: UV, CPL, ND8, ND16, ND32, ND64, ND256, ND1000(optional) Applicable Model: for Mini 3 Pro Package Includes: 1 Piece Lens Filter note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.