Advantage Bluetooth 5.0with a high-speed connection, stable transmiion, accurate data, Longer Acceptance Distance. APP Operate, Real-time monitoring of tire preure and temperature through mobile APP Wide Range Preure Alarm Setting, suit for 0~6.8 bar / 0~100 psi tires 5 Protections for Safety Driving High-Preure Alarm Low-Preure Alarm Air Leakage Alarm High-Temperature Alarm Sensor Low Battery Alarm Compatible with multiple models, 2 sensors, 3 sensors, 4 sensors optional Prevent tire burst, extend the tire's life and save fuel Exchange The Tire Position Freely Product Description Brand: PECHAM Item Type: Smart Car & Motorcycle Tire Preure Monitoring System Preure Range: 0~6.8bar Working Temperature: - 40 ~ 125 Preure Accuracy: 0.1 bar/ 1.5 psi Temperature Accuracy: 3 Wirele Working Frequency: 2.4GHz Display: APP Battery Replaceable: Yes Battery Life: 1~2 Years (CR1632) Material: ABS + PC Transmitting power: Waterproof Level: IPX67 Package includes 2 X Sensors / 3 X Sensors / 4 X Sensors ( Optional ) 1 X Wrench 2 X Anti-theft Nut