Installation Steps: 1. Use the original hex screwdriver to remove the two screws of the original upper frame. 2. Align one side of the anti-collision bar with the curved frame forward, and align the screw holes with the screw holes on the upper frame of the drone, and do the same on the other side. 3. Put in the screw, tighten it with a screwdriver, and do the same for the other side. 4. The installation is complete.