HGLRC Specter 40A AIO is a flight controller with ESCs in one. The Specter 40A is suitable for 3-4" freestyle drones or 5" ultralights that use 4-6S Lipo batteries. The base of the board is a F722 processor with a MPU6000 gyro. It also includes a 5V/2A BEC and 16MB memory for the blackbox. It has I2C ports for connecting a compass or external barometer. The motor drive is taken care of by 40A ESCs with BlHeli_S firmware. The board is already factory coated to protect it against water. There are connectors on the board for easy connection of analog and digital video transmitter, camera and GPS module.