Features: brand new and high quality The structure and performance are very reliable, and the for shell body is thicker and more sturdy and not easily deformed. Multi-function, high-sealing design, airtight and no leakage, but also protect your camera and lens in all directions to avoid scratches and scratches. Made of aluminum alloy materials, small and light, convenient to carry. Stable and not shaking. Perfectly integrated with action 2 camera, beautifully coordinated, and easy for installation. Reserved opening holes for the microphone, speaker, air balance and status LED enable optimal audio capture better recording effect. Specifications: Material: Aluminum Alloy Type:A/B/C/D/Black Size: Appox. 54x52x26 mm/2.12x2.04x1.02 inches Applicable Models: For Action 2 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Housing Cage