Reserved USB C wie channel for charging without the side cover The weight is light, the size is small, it does not increase the burden on the body, it is wear-resistant, and it is not easy to break or deform after long-term use Easy use design, simply alignment with the interfaces, disassembly and assembly only takes a few seconds IPX4 splash proof, resistant to light rain, snow,, and sand Close the protective cover when not charging to protect the interfaces It does not affect the installation of accessories such as camera cages and brackets on the camera, making it easy for a single person to operate