Onboard 4in1 ESC: Power supply: 1-2S LiPo or LiPo Current: 12A continuous 15A (3 seconds) Support ESC-Configurator and BLHELI_S Suite configurator Factory firmware: Z-H-30 - , 0.19, 48kHz Default protocol: DSHOT300 Flight controllerSuperX HD ELRS: Betaflight 4.4.2 firmware ready Firmware target: CRAZYBEEF4DX MCU: STM32F411CEU6 (100MHz, 512K FLASH) Sensor: BMI270 or ICM42688P (SPI connection) Power supply: 1-2S Lipo Lihv battery input (DC 2.8V-8.7V), only support 1s input for this drone Built-in 12A(each) Blheli_S 4in1 ESC Dshot300 read Built-in UART elrs receiver , elrs v3.0 ready, support WIFI and pass-through firmware update ESC Firmware ready Built-in 5V 1A BEC Built-in voltage detection No betaflight analog osd chip Onboard UART ExpressLRS 2.4GHz Receiver: RF Frequency: 2.4GHz Telemetry output Power: Less than12dBm Receiver protocol: CRSF Default firmware version: ExpressLRS V3.0.1 The same hardware with EP1 receiver Could update firmware via ExpressLRS configurator or WIFI or Betaflight pass-through Material: PC,Metal colour: Black Package Contents: 1 x Flight Controlelr Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.