Specifications： BF Flight Controller Firmware: FLYWOOF745AIO INAV Firmware: FLYWOOF745 Ardupilot Firmware: FLYWOOF745 MCU: STM32F745 32-bit processor,216MHz, 1MB Flash IMU: MPU6000 (SPI) Barometer: SPL06 USB VCP Driver (all UARTs usable simultaneously; USB does not take up a UART) 7 hardware UARTS (UART1,2,3,4,5,6,7) Supports serial receivers (SBUS, iBus, Spektrum, Crossfire) only. PPM and PWM receivers are not supported. Onbord 16Mbytes for Blackbox logging 5V Power Out: 2.0A max 3.3V Power Out: 0.5A max Dimensions: 33.5×33.5mm Mounting Holes: Standard 25.5/26.5mm square to center of holes Weight: 9.4g Onboard 4in1 ESC Support AM32 Support PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600,Dshot1200 Input Voltage: 2-6S Lipo Continuous Current: 45A Firmware: GOKU_F4A32_PRO In the Box 1x UNICON UPL Capacitor 25V 470UF 4x M2x6.6 Shock-Absoring Ball 4x M2 Rubber Ring 1x XT30 Power Cable 1x DJI O3 Connection Cable 1x VTX & Camera Connection Cable 1x Receiver Connection Cable 1x GPS Compass Connection Cable