Optimized Flight Control: Experience superior flight performance with the F405 Mini Flight Controller. Its compact 20x20 size is perfect for compact construction, ensuring simplified setup without compromising power Powerful ESC: The 35A BLHeli_S Mini 4-in-1 ESC supports 3-6S input, providing powerful power and efficiency for your FPV drone. Its integration allows for a clean, efficient layout, reducing wiring complexity and improving reliability Sufficient 4 sets of serial ports, supporting receiver + image transmission + camera + GPS 5V 2A & 9V 3A dual-channel BEC Versatile compatibility: Designed for both hobbyists and professionals, this stack is perfect for a variety of RC FPV drones and can be used in different models and setups Main control: STM32F405 Gyroscope: ICM42688P USB interface type: Type-C Barometer: built-in OSD chip: AT7456E chip Bluetooth BLE: supported, only for flight control and ESC adjustment. Please make sure the MSP switch on UART4 is turned on and set the baud rate to 115200, otherwise the Bluetooth function not be available. WiFi: not supported Black box storage: 8MB Colour:black Material:PCB Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * F405 Stack Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.