Feature: 1. Protective armor, Fearless exploration.Inner frame is installd with high elasticity rubber ring, strong pressure to that the seal does not seep.Adequate security.Hard shell, in the face of complex underwater environment, can effectively protect the camera. 2. Effective anti-frog, smooth .Complimentary anti-fog sheet to effectively prevent the problem of fogging due to temperature differences. 3. High transparent PC, more clear.Improve the texture, light transmittance of 95percent , when viewing playback, the front and back screen color display is still clear and gorgeous. 4. Display texture.The lens is made of tempered glass material, which is not easy to be scratched while still maintaining high quality effect. 5. Accurate alignment, good material.Use High-quality materials at the keys, precise alignment of the bare keys, tactile feedback is obvious. Instructions for Use: Peace of mind in 3 steps: 1. Open the case Find buckle to open the case. 2. Insert the camera.Put the camera into the case as shown in the picture. 3. Lock the case Snap on the back cover and press gently. Specifications: Compatible model: for Action 3 or 4 Cautions: Please check the integrity of the product parts before use Please check the correct position of the back door rubber ring before using, and that there are no obvious impurities on the rubber ring Please that the waterproof back door is closed correctly and the locking latch is tightened before going into the water Please use water to rinse the shell after use to avoid prolonged seawater erosion The product needs to be placed in a cool, ventilated and dry place for storage, and the storage temperature should not be higher than 40 degrees. Material: PCandmetal colour: Transparent Package Contents: 1 x action camera waterproof case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.