FC MCU: STM32G473CEU6 Gyro: ICM42688P memory: 16MB Sensor: Voltage & Current BEC: 5V, Max. 3A UART: UART 1, UART 2 (For VTX), UART 3 (For RX), UART 4 BetaFlight OSD: AT7456E ESC: 5A continuous RX: Serial ELRS 2.4GHz (V3.4.3) VTX: 5.8GHz 48 channels, Max. 400mW FC firmware: Betaflight_4.5.0_BETAFPVG473 USB port: SH1.0-4Pin Motor plug: JST1.25 Battery connector: BT2.0 Mounting hole size: 26mm x 26mm Weight: 3.92±0.1g ESC Power input: 1S Only Current: 5A continuous, 8A ESC firmware: A_X_5_96KHz_V0.19.hex for BB51 Bluejay firmware Digital signal protocol: DShot300, DShot600 VTX Output power: 25/100/200/400/PIT Frequency: 5.8GHz 48 channels, with Raceband: 5658~5917MHz Channel SEL: SmartAudio2.0 Modulation type: FM Frequency control: PLL All harmonic: Max -50dBm Frequency stability: ±100KHz (Typ.) Frequency : ±200KHz (Typ.) Channel carrier error: ±1.5dB Antenna port: 50 Operating temperature: -10~+80℃ Color: Black Material: ABS Package Contents: 1 x 5IN1 AIO FC Brushless Flight Controller (Different batches may result in different printed labels, which not affect the use) 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.