1. Fully suitable for Insta360 ONE X action camera.2. Durable and usable, anti-surf pressure will not damage its photographic effect.3. Come with one standard screw, easy and convenient to install and use.4. Protecting the tightness of the shell, not only better waterproof, but also more effective to prevent small dust into the camera.5. 30 meters full body underwater waterproof design, ideal for surfing, diving, swimming, selfie, swimming, climbing, skydiving, skiing and other water sport activities.6. Using optical imaging tempered glass, the transmittance of the lens material is close to 92%. Then the AR film is added to make the lens transmittance of 98% or more. The water-repellent film layer is coated and the drip angle is 115 degrees to ensure that the water drops do not remain. The surface of the lens affects the shooting effect.7. Material: Amorphous high activity silica gel + high hardness corrosion resistant 304 stainless steel. 8. Size: 16*7*3.5cm, weight: 135g