This Flywoo GOKU HEX V3 HD Stack is perfect for FPV enthusiasts looking to build high-performance HEX drones. It comes in a compact 16x16mm design. The flight controller has an F4 and works with a 20A 2 - 4S 6-in-1 BLHeli_S ESC. The ESC supports DShot and other protocols for precise motor control. It has a built-in LED for better flight visibility. The stack also has features like direct plug-in for DJI O3/O4, FC/ESC pin header interface, built-in TCXO ELRS receiver, universal USB-C interface, 16x16 mounting holes, built-in barometer, and 16MB black box. The ESC is 33×35mm board with 16mm mounting holes (M3), continuous current of 20A, weighs 6.4g. The flight controller is 25mm x 23mm x 8mm, weighs 3g. It includes a flight controller, ESC, DJI O3 connection cable, 8 shock-absorbing balls, XT30U power cable, hardware kit, and capacitor.