Eachine Racer 250 performance modifications

How to improve flight performance of your ARF Eachine Racer 250 mini quad, and some performance-related modifications. Covers changing the camera angle, changing the lights (which I did backwards in the video), securing the camera platform, enabling PWMSync for the ESCs, tuning PIDs using OPNGTune (formerly OPtune), using settings banks to switch between PIDs and some test flight footage.