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 No ground interference ( Transmitter and receiver 1 m from the ground): 300m Failsafe support
Recommend Battery: 2S 450mah/550mah , 3S 300mah/350mah/450mah, 4S 300mah/350mah Notes: If used 3inch propellers, we recommend use 2-3S only