Features: l Flexible shooting with magnetic quick release mount design. Compatible with magnetic quick release adapter of ACE Pro l Support horizontal shooting. The 1/4 screw port reserved on the side of the metal frame not only makes external device connection possible, but also allows the X4 to be mounted horizontally for a horizontal shot l The soft foam places inside the top an bottom of the protective frame case not only prevents the camera from scratching but also keeps it firmly fixed within the case l Secured with rubber joint washer, the screw won’t get loose in motor or bicycle riding, preventing your camera from falling off the cage l You can directly replace the battery or insert the Micro SD card by the reserved slot without dismantling the frame case Specification: l Material: Aluminum Alloy l Type: X4 Metal Frame Cage - Two-prong Ver l Size: 135.1 x 55.8 x 23.0 (mm³) l Applicable Model: for insta360 X4 Package: l 1x X4 Metal Frame Cage + 1x Silicone Lens Cap