Crazybee F4 Pro V3 Flysky 2-4S OSD Toothpick Flight Controller V3.0

(Frsky version) CRAZYBEE F4FR PRO V3.0 Firmware target: CrazybeeF4FR (Flysky version) CRAZYBEE F4FS PRO V3.0 Firmware target: CrazybeeF4FS (No RX version) CRAZYBEE F4 PRO V3.0 Firmware target: CrazybeeF4DX MCU:STMU6 (100MHZ, 512K FLASH) Sensor: MPU-6000(SPI connection) Board size: 28.5 * 28.5MM Power supply: 2-4S battery input (DC 7-17V) Built-in 10A(each) Blheli_S 4in1 ESC Dshot600 ready Frsky version Built-in SPI Frsky receiver with telemetry(D8/D16 switchable) Flysky version Built-in SPI Flysky receiver with telemetry(AFHDS/AFHDS2A switchable) No RX version need to add external Receiver Built-in Betaflight OSD(SPI Control) Built-in Current meter Max 70A Current meter scale set to 470 Built-in 5V 1A BEC Built-in voltage detection MCU upgraded to EFM8BB21 Power supply: 2-4S LiPo/LiPo HV (7v/17v) Current: 10A continuous peak 12A (5 seconds) Support BLHeliSuite programmable Factory firmware: F_H_40_REV16_5.HEX Default protocol: DSHOT600 SPI BUS receiver Frsky D8/D16 switchable Compatible Non EU transmitter both D8 and D16 mode Channels: 8ch or 16ch Failsafe support No ground interference ( Transmitter and receiver 1 m from the ground): 300m SPI BUS receiver Protocol: AFHDS and AFHDS-2A Switchable Channels: 8ch(AFHDS) or 14ch(AFHDS-2A) No ground interference ( Transmitter and receiver 1 m from the ground): 300m Failsafe support No RX version support external serial-bus receiver like XM+, crossfire, S-FHSS etc. Recommend Battery: 2S 450mah/550mah , 3S 300mah/350mah/450mah, 4S 300mah/350mah Notes: If used 3inch propellers, we recommend use 2-3S only SKU : 3131/1301412753305157632/55