AIKON F42020 Betaflight Flight Controller STM32F405 2-6S 20x 20mm for RC Drone FPV Racing Specification: Brand name: AIKONItem name:F42020 Betaflight Flight Controller MCU: STM32F405IMU: ICM-20602 Motor outputs: 4-6 IMUInterrupt: Yes BARO: Optionally VCP: Yes Hardware UARTS: UART1 for Serial RX, UART4 for SPORT, UART2 & UART3 available for general use Software serial: SOFTSERIAL1 for VTX control, SOFTSERIAL2 for ESC telemetry OSD: Yes Blackbox: SPI 16MBPPM/LED_STRIP Shared: Yes Battery Voltage Sensor: Yes Integrated Voltage Regulator: Yes Buttons: Boot 32khz capable 168mhz F4 processor Battery: 2-6 S Mount Hole: 20x 20mm Fireware: Betaflight AIKONF4 Target Weight: 7g Package Included:1 x F42020 Betaflight Flight Controller 4 x Damping ball