Features 1、PROFESSIONAL DESIGN: ND filter is designed specifically for GO3S cameras to bring more innovative space to photography and clearly record scenery 2、HD COATING: The filter adopt HD coating process, possess better clarity, scratch resistant coating design, can avoid the mirror is scratched, fill the drain layer, water condensation beads, can prevent oil and pollution 3、IMAGE EFFECT: ND filter can prevent overexposure in strong light environment, resist scattered light, increase color saturation, and make the picture more transparent and gorgeous. Achieve fog water, night light rail and other effects 4、VIDEO EFFECT: The CPL filters are suitable for landscape photography, eliminating unnecessary polarized light and making the whole picture clearer and more transparent 5、PORTABLE BOX: The filter weight is low, equipped with a storage box, you can put the filter in the pocket, backpack, easy to transport and storage 6、SOLID INSTALLATION: No need to remove the lens, directly snap on the camera lens can be, bring very simple and tight connection, will not drop Specification Item Type: ND Filter Material: Aluminum alloy and optical glass Compatible With: For GO3S action camera Installation Method: Knob type Package List 1 x Filter 1 x Storage Case