HGLRC SPECTER F722 40A Hexacopter AIO Flight ControllerHGLRC Specter F722 40A 6 in 1 Hexacopter AIO Finally, something for the enlightened among us who understand that six props are better than four. The HGLRC Specter F722 40A 6 in 1 AIO is the clean, integrated brain and muscle your next hexacopter build has been begging for. Forget trying to cram a flight controller and two separate 4 in 1 ESCs into a frame. This is your one board solution to the wiring nightmare that is a custom hexacopter flight