Features: *1. Bluetooth 5.1 high speed wirele connectivity ensures stable signal transmiion and wide coverage to monitor the tire preure in time and accurately. *2. APP-controlled TMPS allows you to check the tire preure and temperature on your mobile phone app. *3. Wide Range Preure Alarm Setting suitable for 0-6.8 bar/0-100 psi tires. *4. 5 Protections for Safety Driving including High Tire Preure Alarm, Low Tire Preure Alarm, Air Leakage Alarm, High Performance Alarm, Low Battery Alarm. *5. All the tire preure sensors are replaceable and exchangeable. Description: *2. Use Case: for tires of bicycles, motorcycles, car *3. Preure Range: 0-6.8bar *4. Working Temperature: -40 to +125 *5. Preure Accuracy: 0.1 bar/ 1.5 psi *6. Temperature Accuracy: 3 *7. Wirele Working Frequency: 2.4GHz *8. Display: APP *9. Battery Replaceable: Ye *10. Battery Life: 1-2 Years (CR1632) *11. Material: ABS+PC *12. Transmitting Power: *13. Waterproof: IPX67 Pairing Instructions: *1. After the sensor is installed, you need to click the pairing button. *2. When the pairing is succeful, the tire preure, temperature, voltage information will appear in the corresponding tire position. *3. Each sensor has an independent ID. Pair the rest of the sensors in the same way, and the data will be displayed when the setting is completed. *4. Scan and download apps or search for "car Home" in app stores. Package Includes: 2 Wheels Set: 2 x Sensors, 1 x Wrench, 2 x Anti Theft Gaskets 3 Wheels Set: 3 x Sensors, 1 x Wrench, 3 x Anti Theft Gaskets 4 Wheels Set: 4 x Sensors, 1 x Wrench, 4 x Anti Theft Gaskets