Features 1.Mini 4 Pro Filter: This filter set is designed specifically for Mini 4 Pro drones, which can reduce the amount of light required for the camera to select the correct exposure value. 2.Multi Layer Coating: With excellent manual grinding technology, good physical and chemical properties, using high-end materials, excellent quality, effective protection of the Mini 4 Pro camera, and perfect recording under harsh conditions. 3.ND Filter: If the light is too strong, the amount of light can be reduced, so that the camera can choose the correct exposure value and avoid overexposure.It can also increase the color saturation of the image, making it more vivid. 4.Ultra Light Aluminum Design: The lightweight structure of aircraft aluminum ensures long-term flight stability.It will not affect the calibration of the universal joint. 5.ACG Optical Glass: high-quality lens grinding process, high transparency and excellent optical performance, making imaging clearer. Specification Material: Aluminum Alloy Color: Black Size: 22 x 17 x 3.5 mm Weight: 1g/pcs Package Include: 1x Multi-Coated ND Filter Set for Mini 4 Pro Drone Accessor