1. High Performance: The 30A 2-4S Electronic Speed Controller Brushless ESC is designed for optimal performance, ensuring your RC airplane operates smoothly and efficiently. 2. Versatile Compatibility: This brushless ESC is compatible with a wide range of 2-4S battery configurations, making it an ideal choice for various RC airplane models. 3. Reliable 5V BEC Output: Equipped with a reliable 5V BEC output, this speed controller powers your receiver and servos, providing stable performance during flight. 4. User-Friendly Design: The 30A 2-4S Electronic Speed Controller Brushless ESC features an easy-to-install design, allowing hobbyists to set up their RC airplanes quickly and hassle-free. 5. Construction: Built with high-quality materials, this brushless ESC ensures durability and , giving you peace of mind while flying your RC airplane. Color: As Shown Material: plastic Package Contents: 1X Electronic Speed Controller Brushless ESC Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.