High Quality: The tyre pressure sensor is made of ABS and copper material, offering impact resistance, heat resistance, low temperature resistance, chemical resistance, and excellent electrical performance. Bluetooth-Compatible APP Tire Pressure Monitor: Connects via mobile phone Bluetooth, allowing real-time monitoring of tire pressure. The app enables setting high, low pressure, and high temperature alarm values. Data Display: The tire pressure monitoring system displays real-time pressure data from all four tires simultaneously, ensuring immediate awareness of any pressure changes. Alarm System: The tire pressure monitor features a reliable alert system that notifies you of abnormal conditions. The mobile app alerts you if tire pressure is too high or too low, or in case of an air leak. Name: Car Bluetooth-Compatible 5.0 Tire Pressure Monitoring System Model: SY36201 Communication Protocol: BLE4.1 Bluetooth Version: 5.0 Working Voltage: 2.1-3.3V Display: APP Waterproof Rating: 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 Sensor Power Supply: 140 mAh (1 x CR1632 coin cell battery included) Battery Life: 2-3 years Application: 4-wheel vehicles Color: As shown Material: Plastic and metal Package Contents: 4 x Sensors 1 x Wrench 4 x Anti-theft screws 1 x English manual Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement error allowance is +/- 1-3 cm.