[Improving Convenience] Integrated design, easy to install and remove to save time. The buckle is closed with a buckle and gasket. Water resistant to 45 meters: With a high-strength case and improved gaskets and rings to help prevent leaks. water leaks. High Transmittance: Clear back cover and high transmittance flat glass lenses allow you to see HD footage from your gopro underwater. Quick Release Buckle Installation: Comes with a quick release buckle for easy connection of your gopro to other accessories. Red Filter: For scuba diving and scuba diving at depths of 4.5 to 25.9 meters with color correction in blue or tropical water. Package contains: 1 x red filter, 1 x waterproof camera protective case