Feature: 1. Optical Glass: Made of premium aluminum alloy and optical glass, the drone gradient filter adopts high definition grinding treatment, has high light transmittance. 2. Suitable: The optical glass gradient filter is suitable for Mini 3 Pro, you can use it for corresponding quadcopter to meet your photography needs. 3. Waterproof: The drone camera lens gradient filter adopts double sided multi layer nano coating craftsmanship, waterproof, oil proof, dirt resistant and scratch resistant. 4. Gradient: The camera lens gradient filter can balance the light ratio, enhance the corresponding color, often used in landscape photography, make your shooting picture more pleasing to the eye. 5. Portable: With the help of storage box, the quadcopter camera lens filter is small in size, light in weight, portable to carry, you can put it on pocket, backpack, etc. Specification: Item Type: Drone Camera Lens Gradient Filter Material: Aluminum Alloy, Optical Glass Weight: Approx. 24g/0.85oz Color: As Shown Suitable: For Mini 3 Pro. Package List: 1 x Drone Camera Lens Gradient Filter1 x Storage Box