The whole is made of aluminum alloy, it is lightweight, aluminum alloy for anti-collision protection of the camera.No need to remove the cover, directly open the cover to solve the problem that the original cage can only be after removing the charging port cover.The metal body is more conducive to the heat dissipation of the camera and protects the camera. With plugin rear cover sticking design, which is safe and .Leave a space on the front and rear screens without interfering with the keys, and use smoothly. It can also be connected with a tripod and extension pole lights.It has 1/4inch and screw holes, as as double cold shoe mounts design for quick installation.Item Type: Protective CaseLength: . 76mm / 3.0inWidth: . 31.6mm / 1.2inHeight: . 52.5mm / 2.1inProduct Weight: . 91g / 3.2ozApplicable Model: For Action CameraNote:Do not twist it vigorously to cause deformation.Do not place it in a high place to prevent the surface of the protective shell from being worn out due to falling.Colour: blackMaterial: aluminum alloyPackage Contents:1 * Protective CaseOnly the above package content, other products are not included.Note: Light 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.