ROAMAIR Air Management🚧 🇨🇳Function is introduced： 🔥1. Real-time display of four-wheel air pressure and tank air pressure. 🔥2. Body posture reminder. 🔥3. Ignition and lift vehicle opening and closing and gear display. 🔥4. Flameout, low, open and close display. 🔥5. The button feels comfortable and the numerical beat is smoot. 🇨🇳Gear calibration： 🔥1.1-5 gear body posture is adjustable, and the unwanted gear can be closed. 🔥2. Easy calibration and easy to use in a second. 🔥3. Accurate and fast control, small error Mobile phone Bluetooth control WeChat small program control.