GEP-12A-F4 Flight Controller for Whoop/Toothpick (12A, ESC, 2-4S)After six months of research, the GEP 12A F4 is success. This represents the next generation of tiny whoop flight controllers. With support for 2 4S battery and a 4in1 12A ESC, this FC is perfect for more powerful whoop toothpick motors such as 1103 1105 motors. The F4 flight control chip ensures high computing speed, MPU6000 gyroscope,Betaflight OSD makes this FC super easy to use. Hands down this is one of the best tiny whoop FC's you can buy.