For Insta360X4 Metal cage - Protecting the X4 camera from bumps, collisions, and other situations. Rotation lock - The rotating lock buckle design ensures stability and stability without shaking, and the aluminum alloy frame is integrated with the vehicle body. No signal blocking - The aluminum alloy frame does not interfere with the camera interface, and the recording function is integrated with the body. Flexible horizontal and vertical - Including folding fingers installed on both sides for connecting selfie sticks, base plates, etc. 1: 1 Accurate mold opening - You can remove/insert the battery and SD card without removing the fixed frame; Other function keys can also be easily operated. Multiple external adapter installation points - Built in cold shoe stand, 1/4 nut mouth, can be used to connect LED lights,microphones, tripods, etc. Greater flexibility - Whether installed vertically or horizontally, it can provide greater flexibility for your settings. For example: on a helmet, on an selfie stick, or on something completely unique. Type:B:With Cold Shoe Lens Cap Colour:Black Material:Aluminum alloy Package Contents: 1 * Action Camera Frame 1 * Lens Cap 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.