The DJI Phantom 4 Advanced Left ESC Board (GKAS) is a genuine replacement electronic speed controller designed for the left motor of your Phantom 4 Advanced drone. This critical component regulates power delivery to the motor, ensuring stable flight performance and precise control. Compatible exclusively with DJI Phantom 4 Advanced models, this ESC board maintains the original specifications and reliability of your aircraft. Ideal for repairs, upgrades, or spare parts inventory. Genuine DJI part ensures optimal compatibility and durability.