25.5x25.5mm FreeAxis F4 AIO 25A Flight Controller Built-in 4in1 Brushless ESC 2-6S for Toothpick FPV Racing Drone Precise details: Specification: Brand: FreeAxis MCU: STM32F411 108MHz OSD: AT7456E or UART HD Black Box: 128M FLASH LED: On-board + Solderable Current: 25A*4 ESC Firmware: GH_30【BLUEJAY 24K】Supports 48k 96k ESC Protocol: Dshot 150 Dshot 300 Dshot 600 proshot 1000 Bidirectional Dshot: Supported Weight: 5.9g Features: Highly Integrated Design: Combining Flight Controller and ESC on a single board simplifies installation and reduces the weight of your racing drone, enhancing maneuverability and speed. Enhanced Flight Stability: Thanks to our MCU's design and optimized gyro power, your drone will provide smooth and stable flight, free from jitter. High Current ESC: With our multi-layer 20Z copper foil design, this board can support ESC current up to 25A, ideal for high-powered flights and drone racing. Built-In Black Box: The 128M Flash Black Box records flight data, enabling you to analyze flight performance and make necessary adjustments for improved drone operation. Lightweight Design: At only 5.9 grams, this board will not weigh down your drone, ensuring maximum speed and maneuverability. Package Included: 1x F4 AIO 25A Board 1x USB Adapter Board 1x 16AWG Power Cord 1x XT30 Plug 1x 6S TVS 1x 470uF Capacitor 4x M2 Silicone Balls