Product Name: Diving Filter for Hero 13/12/11/11 Mini/10/9 Compatible Models: For Hero 13/12/11/11 Mini/10/9 Material: Metal and Acrylic Light Red Filter: Slightly reduces blue tones, restoring rosy skin tones in portraits. Suitable for snorkeling in seawater at depths of 1-5 meters. Red Filter: Intensifies warm tones and balances green tints in the water, making underwater images more realistic. Suitable for seawater at depths of 5-25 meters. Purple Filter: Increases blue tones and suppresses red light. Suitable for freshwater scenes. Installation Instructions: 1. Align the blue dot on the lens with the blue circle on the camera lens. 2. Press and rotate the filter. Features: 1. Built-in rubber ring for waterproof and fog-resistant operation. The built-in rubber ring in the frame effectively isolates water droplets and moisture, allowing you to create worry-free. 2. Metal construction. The metal frame provides a premium, sturdy, and look. 3. Dimensionally compatible with official protective lenses. The dimensions are identical to the official protective lenses, allowing seamless compatibility with official and third-party waterproof housings. 4. Thick lens for enhanced protection. The 2.0mm thick lens effectively withstands water pressure up to 10 meters. Colors: Light red, red, purple Packaging dimensions: 103 x 95 x 17mm Packaging weight: 35g Packaging: Plastic box Product list: 1 piece Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.