【For Hero 13 12 11 10 9 Black】 Compatible with GoPro Hero 13 12 11 10 Go Pro 9 Black, this filter accessories lens attachments set provides precise exposure control and accurate color rendition for action camera photography and video recording | 【Effortless Exposure Balance】 ND4, ND8, ND16, and ND32 filters reduce the light by 2, 3, 4, and 5 stops respectively, suitable for long exposure photography on sunny and bright days. They allow you to shoot at slower shutter speeds with larger apertures and capture moving subjects with cinematic motion blur effects | 【Multicoated HD Optical Glass】 HD optical glass delivers exceptional clarity and color fidelity. Multiple coatings on both sides are resistant to water, fingerprints, smudges, and scratches, ensuring high durability and easy cleaning during outdoor shooting | 【Secure Twist On Installation】 Remove the existing lens from your action camera. Align the filter with the lens position, then twist gently to secure. The lightweight construction will not weigh you down while shooting on the go | 【Note: Do Not Use Underwater】 While the filters are waterproof, they are not intended for use with the action camera underwater