Are you ready to upgrade your 65mm/75mm/85mm whoops?
YES!! The Happymodel CrazybeeX built-in ESC/VTX/Frsky SPI RX/OSD will handle 1-2S battery!!

Note:This product is discontinued.

Important: Not compatible with big propeller like 65mm/75mm when use 2s battery . Recommend max size of propeller is 55mm.

Flight Controller
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)Sensor: MPU-6000(SPI connection)Board size: 28.5 * 28.5MMPower supply: 1S-2S battery input (DC 2.9V-8.7V)Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 readyBuilt-in Betaflight OSD(SPI Control)Built-in 5.8G VTXBuilt-in SPI Frsky receiver support D8/D16Built-in 5V 1A BECBuilt-in voltage detection
Firmware target: CRAZYBEEF4FR

Onboard 4in1 ESC
MCU upgraded to EFM8BB21Power supply: 1-2S LiPo/LiPo HV
Current: 5A continuous peak 6A (3 seconds)Support BLHeliSuite programmableFactory firmware: S_H_90_REV16_7.HEXDefault protocol: DSHOT600

Onboard Frsky SPI receiver
SPI BUS receiver Frsky D8/D16 compatibleSupport Frsky_X_LBT(EU-LBT), Futaba S-FHSS (Need Betaflight 4.0.5 firmware or latest)
Channels: 8ch/16chFailsafe supportNo ground interference ( Transmitter and receiver 1 m from the ground): 100m~200m

Onboard 5.8g VTX
Output power: 25mw Frequency: 40CHInput voltage: 3.3V 5.5VCurrent consumption: 300mA(type)Frequency: 5.8GHz 5bands 40 channelsWith Race band
Smartaudio ready
Default vtx_power should set to be “2”

Onboard Voltage and Current detector
Voltage Meter scale “110”
Amperage Mete scale “1175”

Package included:
1x Happymodel CrazybeeX 4in1 AIO Flight Controller