[Highly Customizable] Cage is a form-fitting aluminum cage that protects the R camera while providing plenty of accessory mounts that 't interfere with the camera's buttons or ports. [Mounting Points]The cage has 2 cold shoes and several 1/4 inch-20 threaded holes for mounting accessories such as microphones or small LED lights. [Press Lock]You the camera into the cage from the side and press the cover to lock it in place. [Bottom Structure]Folding on the bottom allow you to fix the camera on various supports and surfaces; while the 1/4 inch-20 bracket in the center of the bottom allows you to mount the camera on a 1/4 inch-20 tripod. [Compatible with different cameras]-- Compatible with switching between different cameras. In the exact proportions, the three lenses can be switched back and forth. 1. Both horizontal and vertical are available, and the universal interface bracket can be used flexibly 2. Double cold shoe mounts and more 1/4 inch screw hole interface, external microphone/fill light, the camera can be fixed on the monopod and other supports more conveniently, and it can also protect the camera 3. A protective frame specially designed for R series cameras. Simple and unique design makes it suitable for your camera 4. Aluminum alloy material, light and portable, easy to carry. 5. The frame is installed, which does not the recording and speed of the camera. Material: aluminium colour: black Package Contents: 1 x Expansion frame for R 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.