F3 WHOOP PRO flight control 1S, using MPU6000 sensor and SPI bus connection, improves the sampling rate of the sensor, improves the running frequency of MCU main control program, and provides higher control accuracy and faster response speed. Integrated OSD with Betaflight on-line parameter adjustment, is applied to the current four shafts of the horizon brushless four - axis frame. Integrated brushes drive.  It has the advantages of light weight, small volume and low thickness.