Advanced Flight Controller: FOR The iFlight F411 F4 integrates a powerful F4 processor with a 20A BLHeli-S ESC, designed for optimal performance in FPV racing drones. It supports 2-4S batteries, providing flexibility and power for various racing conditions Enhanced Stability: Equipped with the latest BMI270 gyro, this AIO (All-In-One) flight controller ensures superior stability and precision in flight, making it ideal for competitive racing and agile maneuvers Comprehensive Data Logging: Features an 8MB Blackbox for detailed flight data recording, crucial for fine-tuning performance and diagnosing issues in your racing drone Compact Design: With a mounting pattern of 25.5 X 25.5mm/φ3mm mounting holes, this flight controller fits perfectly in most racing drone frames, ensuring a secure and streamlined installation Name: Whoop F4 AIO External dimensions: 30.5 X 30.5mm Hole size: 25.5 X 25.5mm /φ3mm USB type: Micro-USB MCU: STM32F411 Gyroscope: BMI270 Black box: 8MB BEC: 5V 2A SBUS input inverter: SBUS input inverter (UART2-RX) Buzzer: Support RSSI input: No Barometer: No Continuous current: 20A Input voltage: 2-4S Ammeter: Support Flight control firmware: FOR IFLIGHT F411 PRO Flash target: STM32F411 Parameters: IFLIGHT_F411_PRO.config ESC firmware: G-H-30 BLS 16.7 Drive signal support: Ds 600, Ones , Multis (The picture is a high-definition rendering, the product appearance, printing lettering will be different, does not affect the use) Color: Random Color (random colors, don't accept the specified color) Material: PCB Package Contents: 1 * F411 AIO Flight Controller Kit