HAKRC F4126 F411 AIO Flight Controller ICM42688 BLHELI_S 20A/35A ESC Built-in OSD Barometer Current Sensor 2-4S for RC FPV Drone Features: 1. The PCB adopts high-end 8-layer 2oZ thick copper skin, which has stronger overcurrent capability and good heat dissipation. 2. MOS adopts imported 30V high current resistance mos, long life and strong load capacity. 3. Using industrial grade LDO, high temperature resistance. 4. Using high-quality Japanese Murata capacitors, strong filtering performance Size: 33.* 33.mm (25.5mm-26.5mm mounting hole) Packing size: ø63*32mm Product net weight: 7g Package weight: 25g Flight control parameters: CPU: STM32F411CEU6 IMU: ICM42688 OSD: AT7456E Barometer LED: Support WS2812 and other programmable Sensor: Built-in current sensor Firmware version: HAKRCF411D Receiver: Frsky/ Futaba/ Flysky/ TBS Crossfire/ DSM-X: DSM-2 receiver ESC parameters: Firmware support: BLHELI_S Protocol support: PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600 Input voltage: 2S-4S Lipo (20A) Continuous current: 20A Peak current: 25A Firmware version: BLHELI_S (G-H-20) Package: 1X F4126 F411 AIO 20A/35A ESC Flight Controller