Compatibility: This drone receiving board is specifically designed for S99 folding drones, ensuring a great fit and optimal performance. Material: Made of Electronic component, this receiving board is and built to last, providing long term service for your drone. Dimensions: With a compact size of 4.8x2.5cm, this receiving board is lightweight and easy to install in your drone without adding any significant weight. Package Contents: Each package comes with a receiving board, making it easy to replace the old or damaged in your drone. Enhance Your Drone's Performance: This replacement part can help maintain the efficiency of your drone, ensuring smooth and stable flights every time you use it. Specification: Material: Electronic components Size Chart: 4.8cmx2.5cm/1.89inchx0.98inch Package Includes: 1Drone Receiving Board Note: Please allow slightly errors 1-2cm differences due to manual measurement.