Specification:Product Name: Bluetooth Tire Preure Monitoring SystemMaterial: ABS.Test preure range: 0.5-4barSuitable for motorcycle, tricycle, motor homeOptional: 2 Tire Preure Sensor / 4 Tire Preure Sensor Parts List:1 X English Instruction1 X Wrench2 X Anti-Theft Bolt2 X Tire Preure SensorOR1 X English Instruction1 X Wrench4 X Anti-Theft Bolt4 X Tire Preure Sensor Highlight description:[Wirele Bluetooth APP Tire Preure Monitor] Your smartphone simply receives the wirele signal from the sensor and sends the information to your smart device via Bluetooth. It is real-time monitoring, automatic connection, and responsive. [Data Display] The tire preure monitoring system can display real-time tire preure data, temperature data and status, and alarm notifications without the need for additional cables or additional display devices. [Alarm System] The tire preure monitor has a reliable alert system, it will alert you when something abnormal happens. The app will alert you when the tire preure is too high or too low, and alert you when there is an air leak. [Easy installation] The tire preure monitor is easy to install on your motorcycle or car, just replace the cap on the tire valve with the kit provided here, then install the monitoring app on your phone. [Widely Used] The tire preure monitoring system is designed for smartphones; just connect your smartphone with an APP for iOS and Android. Suitable for motorcycles, tricycles, cars, and RVs. Note:1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color.2.Please allow slight dimension difference due to manual measurement.