High Quality: The tire pressure sensor is made of ABS and copper material, providing impact resistance, heat resistance, low temperature resistance, chemical resistance, and excellent electrical performance. Bluetooth-Compatible APP Tire Pressure Monitor: Connects to mobile phone via Bluetooth, allowing real-time monitoring of tire pressure. The app enables setting of high, low pressure, and high temperature alarm values. Data Display: The tire pressure monitoring system displays real-time tire pressure data. Tire pressure changes are immediately visible, and all four tires can be monitored simultaneously. Alarm System: The tire pressure monitor features a reliable alert system that notifies the user of abnormal conditions. The mobile app alerts when tire pressure is too high or too low and in case of air leakage. Name: Car Bluetooth-Compatible 5.0 Tire Pressure Monitoring System Master: SY36201 Communication Name: BLE4.1 Bluetooth Version: 5.0 Working Voltage: 2.1-3.3V Display Method: APP Waterproof Grade: IP67 Tire Pressure Monitoring Range: 0-100 PSI (error less than 3 PSI) Bluetooth Operating Frequency: 2.4 GHz Bluetooth Transmit Power: 4 dBm MAX Response Time: 4 seconds Single Sensor Power Supply: 140 mAh (1 coin cell battery 1632, includes battery) Battery Life: 2-3 years Applicable: 4-wheel cars Color: As Shown Material: Plastic + Metal Package Contents: 4 x Sensor 1 x Wrench 4 x Anti-theft Screw 1 x English Manual Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allowance is +/- 1-3 cm. Only the above package content is included; other products are not included.