【Invisible Dive Case for Insta360 X4】The invisible dive case is compatible for Insta360 ONE X4, with no obstruction in 360 degree shots. Seamless underwater stitching for diving, surfing, snorkeling and other water sports activities. | 【Good Sealing】The underwater diving protective shell for X4 action camera adopts Three-fold buckle design, tighter buckle, not easy to fall off, firmly locked, more secure diving. The shell body is thickened, not easy to deform, High density waterproof ring air tight and no leakage, effectively preventing water from entering the camera. | 【50m/164ft Waterproof】You can use your ONE X4 to record underwater activity deep to 50m/(164ft) without worrying about leaks, and it also won't damage the shooting effect, Seamless underwater stitching clear and vivid. | 【HD Optical Glass】Underwater diving shell for Insta360 ONE X4 is adopts Using optical imaging tempered glass, the light transmittance of the lens is more than 98%, the shooting picture is clear, the surface of the lens is smooth and flat, and the shooting picture is not distorted. | 【 Precautions 】Before putting the camera into water, please squeeze the sealing ring to expel air and ensure that the is completely closed to ensure that the camera will not get wet during use. If you encounter any problems, please contact us and we will provide you with 24-hour service.