The Kakute F4 V2.4 is an 8S Flight Controller that has everything you need, with plug-and-play DJI O3 HD camera, 4in1 ESC ports, barometer, OSD, 5x UARTs, logging & onboard flash storage, plus 5V & 9V/3A BEC. DJI HD ready - just plug it in & the 9V/A regulator will power your HD transmitter, like DJI O3 Air Unit & Caddx Vista. There are LED & buzzer pad, I2C pad (SDA & SCL) for external GPS/Magnetometers