Using this DJI O3 Air Unit Camera Module is a breeze. First, carefully remove the old camera module from your DJI O3 Air Unit video transmission system. Then, take out the new camera module from the package, which comes with a coaxial cable and 4 screws. Connect the coaxial cable to the appropriate port and use the screws to securely install the camera module. When using the camera, make sure it's in a stable environment to get the best 4K/60fps imagery with D - Cinelike colour. As for maintenance, keep it clean by gently wiping the lens with a soft cloth. Avoid exposing it to extreme temperatures or moisture. If you're not using it for a long time, store it in a dry and safe place.