built-in 12A ESC and OPENVTX
Betaflight firmware target:
ELRS Version: CRAZYBEEF4SX1280
VTX antenna: U.FL
Weight: 5.1g
Support 1-2S Lipo/LIHV battery
Size: 30mm*30mm*8mm
MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
Sensor: ICM42688P(SPI connection)
Mount hole size: 25.5mm*25.5mm
Power supply: 1-2S battery input (DC 2.9V-8.7V)
Built-in 12A(each) Blheli_S 4in1 ESC
Built-in Betaflight OSD(SPI Control)
Built-in 5.8G OpenVTX 0mw~400mw
Built-in ExpressLRS 2.4G
Built-in voltage meter sensor , voltage meter scale 110Built-in current meter sensor , current meter scale 470

Onboard 4in1 ESC Power supply: 1-2S LiPo/LiPo HV
Current: 12A continuous peak 15A (3 seconds)
Support BLHeliSuite programmable
Factory firmware: Z_H_30_REV16_7.HEX
Default protocol: DSHOT300
Support Bluejay firmware
When use Blujay firmware with 48khz, should set startup power to 1100/1200

Onboard SPI ExpressLRS 2.4GHz Receiver Packet Rate option: 50Hz/150Hz/250Hz/500Hz
ExpressLRS Firmware version: V2.2
RF Frequency: 2.4GHz
Antenna : SMD antenna
Telemetry output Power: <12dBm
Receiver protocol: SPI ExpressLRS
Compatible with ExpressLRS V2.2 TX Module
Couldnt flash separately ExpressLRS firmware

Onboard 5.8g OPENVTX
Firmware version: OPENVTX
Smartaudio v2.2
PIT Mode support
RCE Mode support
Channels:48ch
Transmitting Power: 0/RCE/25mw/100mw/400mw
Power supply: DC 5V
Current (5v): <650ma (400mw)
Antenna connector: U.FL