【Life-Time Warranty】 30-Day money back guarantee, Life-Time Warranty and friendly 7 x 24 hours customer service.【Special Design】DJI Osmo Action 5 Pro Action 4.【263FT/80MWaterproof】This waterproof housing case with upgraded waterproof sealing ring and tight buckle that help avoid water leakage effectively.You can use your DJI Osmo Action 5 Pro Action 4 Action 3 to record underwater activity deep to 263FT/80M without worrying about leaks,and it also won't damage the shooting effect,clear and vivid.【Large Flat Glass Lens】Delivers maximum image sharpness above and below water.【Dual Cold Shoe】Equipped with 2 cold shoe openings to meet different shooting needs, and can be connected to fill lights, microphones, etc.The bottom is equipped with two-foot board adapters and 1/4 screw holes to optimize the structure.