The FlySky FS-NB4 is a high-performance remote control system designed for RC car enthusiasts. It features a 2.4GHz AFHDS 3 (Automatic Frequency Hopping Digital System) technology that provides a stable and reliable connection between the transmitter and receiver. The FS-NB4 comes with a large 4.3-inch color touch screen display that allows users to easily navigate through the settings and adjust various parameters. It also has a built-in gyro and accelerometer that provides real-time telemetry data such as speed, temperature, and voltage. Our website offers a range of screen protectors for the FS-NB4 to ensure that the touch screen display remains scratch-free and protected from any potential damage.