Notes Before buying this flight controller make sure you have good soldering skills and can solder tiny pads Any flight controller failure caused by welding errors is not covered by the warranty The motor plugs didnot pre solder in our factory Specifications Brand HappymodelModel SuperX HD ELRSFlight controllerSuperX HD ELRSmso font kerning 0 0000pt Betaflight 4 4 2 firmware readymso font kerning 0 0000pt Firmware target font size 7 5000pt mso font kerning 0 0000pt CRAZYBEEF4DXmso font kerning 0 0000pt MCU STM32F411CEU6 100MHzmso font kerning 0 0000pt 512K FLASH mso font kerning 0 0000pt Sensor mso font kerning 0 0000pt BMI270 or ICM42688P mso font kerning 0 0000pt SPI connection mso font kerning 0 0000pt Power supply mso font kerning 0 0000pt 1 2S Lipo Lihvmso font kerning 0 0000pt battery input DC mso font kerning 0 0000pt 2 8V 8 7mso font kerning 0 0000pt V mso font kerning 0 0000pt font size 7 5000pt mso font kerning 0 0000pt only support 1s input for this dronemso font kerning 0 0000pt Built in mso font kerning 0 0000pt 12mso font kerning 0 0000pt A each Blheli S 4in1 ESC Dshot3mso font kerning 0 0000pt 00 readmso font kerning 0 0000pt Built in UART elrs receiver elrs v3 0 ready support WIFI and pass through firmware update mso font kerning 0 0000pt Bluejay ESC Firmware readymso font kerning 0 0000pt Built in 5V 1mso font kerning 0 0000pt A Bmso font kerning 0 0000pt ECmso font kerning 0 0000pt Built