Feature: 1. COMPATIBILITY: This filter set is specially designed for GO3S action camera, which can bring more creative space for photography and help you record the beauty clearly. 2. CPL FILTER: The CPL filter is perfect for landscape photography, which eliminates unwanted polarized light from the image and makes the whole picture clearer. 3. ND FILTER: The larger the ND number the better the light reduction effect. You can choose the filter according to the current sunlight strength and use it with 1/60 shutter, which can make the video image have proper motion blur and look more comfortable. 4. CONVENIENT TO CARRY: The filters are low in weight and come with a storage case for easy storage and carrying. You can put the filter in your pocket, backpack for easy transportation and storage. 5. FIRM INSTALLATION: No need to remove the lens, directly align the camera lens then rotate the lens to install. Installation is very easy and the connection is very tight, which makes it not easy to fall off. Specification: Item Type: CPL ND Filter Set Material: Aluminum Alloy, Optical Glass Applicable Model: For GO3S Action Camera Mounting Method: Knob Type. Package List: 3 x Filters1 x Storage Box