FC:1.MCU: STM32G473CEU6 2.Gyro: ICM42688P 3. memory: 16MB 4.Sensor: Voltage & Current 5.BEC: 5V, Max. 2A FC: UART: UART 1, UART 2, UART 3 (For RX), UART 4(For VTX) BetaFlight OSD: AT7456ELAH ESC: 12A continuous OPENVTX: 5.8GHz 48 channels, Max. 400mW FC firmware target: CRAZYBEEG473 USB port: SH1.0-4Pin Battery connector: XT30 or A30 Mounting hole size: 25.5mm x 25.5mm ESC: Power input: 1-2S Lipo input Current: 12A continuous, 15A ESC firmware: V0.19 48KHz Bluejay Firmware target: Z_H_30_48KHz Digital signal protocol: DShot300, DShot600 VTX: OPENVTX Firmware Support firmware upgrade by openvtx configurator Output power: PIT/10/25/100/400 Frequency: 5.8GHz 48 channels, with Raceband: 5658-5917MHz Channel SEL: SmartAudio2.1 Modulation type: FM Operating temperature: -10-+80 Antenna port: IPEX1/U.FL RECEIVER: Serial ExpressLRS 2.4GHz Antenna: Enameled copper wire 31mm length Firmware target: Happy Model EP1/EP2 2.4GHz RX Telemetry output Power: Less than 12dBm Compatible with ExpressLRS V3.x.x TX Module ExpressLRS firmware version 3.0.1 Support flash firmware by WIFI Bind method is the same like all ExpressLRS 2.4GHz receivers Color: Black Material: PCB Package Contents: 1 x Flight Controller Kit 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.