The Flysky FS-R4P 4-Channel Receiver offers a reliable and compact solution for RC enthusiasts looking to expand their control systems with ease. Designed for compatibility with Flysky transmitters using the ANT protocol, this receiver supports four PWM channels and ensures stable signal transmission over impressive distances. With its built-in single antenna and lightweight design, the FS-R4P is perfect for a wide range of car and boat applications. Its straightforward setup and dependable performance make it a great addition to any RC setup.