Specification Brand : BAYCKRC Model Number : Dolphin FC MCU：AT32F435 IMU(Gyro): ICM42688P(Reserved Bonding pad for MPU 6000) OSD : AT7456E Barometer：BMP280 Black Box: 16MB Input Voltage: 3~6s 5V-BEC: 5V/3A 9V-BEC: 9V/3A Firmware: Betaflight 4.5 Size: 38mm*38mm*6.5mm Mounting hole: 30.5mmx30.5mm Weight: 8g