Semicircular Dome Port Design: Move dome port waterline from the camera lens, making it possible to capture images both above and below the water simultaneously, which allows you to capture what's above and below the surface all in one shot. | Built-in Switchable Filters: Inbuilt 10x close-up macro filter, red filter, strongly enhance your shooting experience under different situations. Simply swivel the rotary knob to switch filters: Macro Filter for capturing tiny underwater wildlife; Red Filter for vivid and natural underwater scenery. When you don’t need to use filters, please switch to standard mode without filters. | Waterproof up to 147ft (45m): This dome port integrated waterproof housing case. It is not only good for taking half and half photos in shallow water, but also great for deep diving photography. With the help of 10x macro filter / red filter, you can capture vivid underwater wildlife and natural scenery. | Multiple Practical Accessories: The trigger allows you press the camera shutter easily, the floating hand grip enables more stable footage than holding the camera directly by hand, the adjustable lanyard prevents the dome port and camera from dropping in water. | Compatibility: The dome port lens housing case compatible with GoPro Hero 9 Black action camera perfectly.