PC anti-compression and explosion-proof with high light transmittance up to 98%, provides a sharpness for image and below water. depth is up to 30 meters, suitable for underwater such as swimming, diving, surfing, underwater activities. Multi-function, not only can be used to dive, high-sealing design, airtight and no leakage, but also protect your camera and lens in all directions to avoid scratches and scratches. Suitable for 360 panoramic camera, beautifully coordinated, and easy for installation. Using symmetrical locks, the structure and are very and the for shell body is thicker and more sturdy and not easily deformed.