Feature:1. Higher the ND value,more obvious the light reducing effect.2. Reduces the amount of light in very bright conditions, camera can choose the correct exposure value and avoid excessive exposure.3. Improves the color saturation of the picture, makes the picture more transparent and alive.4. Use a slow shutter speed to shoot some special effects, such as a mist of water, a light track at night, etc.5. When shoot video in direct sun exposure, you can reduce the shutter speed by ND Filters, the video has the appropriate motion blur and looks balanced .Specification:Item type:Action Camera Filter Condition: 100% brand newModel: ND8 ND16 ND32 Material: Aluminum alloy + optical glassWeight: Approx. 66gColor: As picture shownApplicable model: for GOPRO5/6/7.Package List:3 x Lens filter 1 x Storage box