Feature:1. Stable Performance: The tire pressure sensor is dustproof, waterproof, antidrop, anticold and high temperature and anticollision.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 inconsistently3. 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: ABSCore: ARM M0Working Voltage: 3VBluetooth Working Frequency: 2.4HGzBluetooth Transmit Power: 0dBm MaximumResponse Time: 5SDisplay Method: APPWaterproof Grade: ip67Working Humidity: 95%MaximumTire Pressure Detection Range: 100-1300kpaTire Pressure Detection Accuracy: 10kpaTire Temperature Detection Accuracy: 3COperating Temperature: -30C-+80CStorage Temperature: -30C-+85CBattery: 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