Foxeer F722 V4 is a high-end controller for freestyle drones or larger cinelifters. The board supports up to 8S battery power, has 8 motor outputs and uses the reliable MPU6000 gyro. There's also 16MB of blackbox memory, a barometer for altitude measurement, and both 10V and 5V BECs. Of course, there's an OSD for analog video and support for all digital video transmitters, including a connector for DJI FPV.