Optimized Flight Controller: The SpeedyBee F405 V5 OX32 is engineered for precision and stability, ensuring superior control for your model aircraft. Its advanced architecture enhances overall flight performance. High-Current ESC: Equipped with a 55A ESC, this stack provides reliable and continuous power, supporting intense maneuvers and prolonged flights without overheating or power dips. Compact Design: The 30x30 mm board layout is meticulously designed to fit a variety of frames, making installation simple and maintaining a clean setup. Durable Construction: Built to withstand rigorous use, this FC&ESC stack is ideal for both hobbyists and competitive flyers who demand the best in durability and performance Main controller: STM32F405 Gyroscope: ICM42688P USB port: Type-C port Barometer: SPA06-003 OSD chip: AT7456E Full-function Bluetooth parameter adjustment: Supported, used to connect to the SpeedyBee app for aircraft model flight control parameter adjustment and firmware flashing Wireless flight control firmware upgrade: Supported For DJI Air Unit connection: Supports 6-pin direct plug-in and soldering Black box: Supported, built-in 16MB storage chip Input voltage: 3-6S LiPo lithium battery Color: As Shown Material: PCB Package Contents: 1 x FC&ESC Stack Kit