World's First All Bluetooth Smart Tire Pressure Monitoring System. Save Life, Save Tire, Save Fuel. Key Features: 24x7 monitoring of your car tire pressure. Flat tire alert even when you are away from the car. 3 level smart alert. Monitors up to 20 cars with one app. Share FOBO Tire with up to 100 users via simple app authorization. DIY install in 5 minutes.