Features: Premium PCB board and electronic components, solid and durable, with long service life. The JHEMCU GF16-BMI fly tower is the F405 fly tower of 2-4S. There are 5 serial ports (UART1, UART2, UART3, UART4, UART6), 8 motor ports, one I2C port, one SBUS interface (the serial port used by SBUS is RX1), and the WS2812 interface is reserved. Built-in black box 16MB and barometer, with buzzer interface and camera interface. The package includes GF16-F405-BMI flight controller *1, GF16-ESC 4-in-1 ESC *1, M2*20 screw *4, M2 nut *4, M2*5 shock-absorbing ball *8, 18AWG wire *2, 220UF/25V capacitor *1, and XT30 *1. Specifications: Main Material: PCB Board, Electronic Component Color: Black Flight Control Parameters: CPU: STM32F405 Gyroscope/Accelerometer: BMI270 OSD: AT7456E Barometer: BMP280 Black Box: 16MB IIC: support BEC: 5V/3A Number of motor channels: 8 M1-M8 UART: UART1 (RC), UART2, UART3, UART4, UART6 USB: micro USB Size: 16*16MM M3 Receiver: ELRS(CRSF), TBS(CRSF), SBUS, IBUS, DSM2, DSMX Support programmable LEDs such as WS2812 Support buzzer Built-in voltage, current sensor ESC Parameters: 1. Input voltage: 2-4S LiPo/2-4S HV LiPo 2. BEC output: none 3. Continuous working current of a single ESC: 13A*4 4. Outline ESC size: 24*25mm (including the maximum size of pads and protruding points) 5. The screw hole distance is 16*16MM, and the aperture is 3MM 6. Firmware: BLHELI_S G_H_30_16_7. HEX 7. Support Dshot600, Dshot300, Dshot150, Oneshot125, Multishot, PWM control signal Weight: flight control + ESC = 5.8g Package Information: Package Size: 50*45*30mm Package Weight: 15g Package List: 1 * GF16-F405-BMI Flight Controller 1 * GF16-ESC 4-in-1 ESC 4 * M2*20 Screw 4 * M2 Nut 8 * M2*5 Shock-Absorbing Ball 2 * 18AWG Wire 1 * 220UF/25V Capacitor 1 * XT30