Feature: 1. Stable Performance: The tire pressure sensor is dustproof, waterproof, anti‑drop, anti‑cold and high temperature and anti‑collision. 2. Air Leak Alarm: Once air leaks, it will quickly alarm, reduce the risk, and prevent the car from running off course and tire pressure inconsistently 3. Prevent Tire Blowouts: Monitor tire temperature in real time, save fuel, keep tires consistent and reduce tire wear. 4. Direct Tire Pressure Monitoring System: By installing pressure and temperature sensors on tires, and connecting via Bluetooth to display data in real time on mobile phones (for Android, for IOS). 5. Low Maintenance Costs: When properly inflated, it can help you save up to 11 cents per gallon of fuel. And you can maintain your car tires yourself. Specification: Item Type: Tire Pressure SensorMaterial: ABS Core: ARM M0 Working Voltage: 3V Bluetooth Working Frequency: 2.4HGz Bluetooth Transmit Power: 0dBm Maximum Response Time: ≤5S Display Method: APP Waterproof Grade: ip67 Working Humidity: 95%Maximum Tire Pressure Detection Range: 100-1300kpa Tire Pressure Detection Accuracy: ±10kpa Tire Temperature Detection Accuracy: ±3°C Operating Temperature: -30°C-+80°C Storage Temperature: -30°C-+85°C Battery: 2 button cells CR1632 140mah (built-in) Battery Life: 3-5 years. Package List: 2 x Tire Pressure Sensor1 x Manual1 x Scan Code Card1 x Wrench2 x Gasket