This the first AIO 5-IN-1 flight controller based on G473 MCU platform, Built-in UART ExpressLRS receiver and OpenVTXbetter for 65mm 1s Micro-type FPV whoops. MCU: STM32G473CEU6 Gyro: ICM42688P memory: 16MB Sensor: Voltage & Current BEC: 5V, Max. 2A UART: UART 1, UART 2, UART 3 (For RX), UART 4(For VTX) BetaFlight OSD: AT7456E ESC: 5A continuous RX: Serial ELRS 2.4GHz Receiver firmware target: EP1/EP2 2.4GHz RX OPENVTX: 5.8GHz 48 channels, Max. 400mW FC firmware target: CRAZYBEEG473 USB port: SH1.0-4Pin Battery connector: A30 Mounting hole size: 5mm x 25.5mm ESC Power input: 1S Only Current: 5A continuous, 6A ESC firmware: V0.21.hex Bluejay Firmware target: A_X_5_96KHz 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 (The product printed words depending on the batch, but this does not affect use) Color:Black Material:PCB Package Contents: 1 * AIO 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.