Flycolor 30.5x30.5mm Raptor S-Tower F4 OSD Flight Controller For RC Model Racing Drone Quadcopter Accessory Category_Battery & Charger you can use the built-in

you can use the built-in buttons on the image to change the channel

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Flycolor 30.5x30.5mm Raptor S-Tower F4 OSD Flight Controller For RC Model Racing Drone Quadcopter Accessory Category_Battery & Charger you can use the built-inFlycolor 30. 5x30. 5mm Raptor S Tower F4 OSD Flight Controller For RC Model Racing Drone Quadcopter Detail: MCU: STM32F405; Gyro: MPU 6000 SPI; Flight Control Firmware: OMNIBUSF4SD; Support PPM, SBUS, SPEKTRUM1024 2048 and other types of receivers; Supports up to 32G TF card expansion, allowing users to store more flight data Flight Control Integrated OSD can use BetaFlight software to adjust OSD parameters; Flight Control integrates 3. 3V, 5V, 12V