Features:*1. BT 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, cars*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: Yes*10. Battery Life: 1-2 Years (CR1632)*11. Material: ABS+PC*12. Transmitting Power:10dB*13. Waterproof: IPX67Pairing 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 "intelligent TPMS" in app stores.Package Includes:2 Wheels Set: 2 x Sensors, 1 x Wrench, 2 x Anti Theft Gasketsor3 Wheels Set: 3 x Sensors, 1 x Wrench, 3 x Anti Theft Gasketsor4 Wheels Set: 4 x Sensors, 1 x Wrench, 4 x Anti Theft Gaskets Dear buyer,Welcome to our store. if you want buy more than we listed, please contact us.we will be ready to reply you ASAP.