Advantage : 1. Bluetooth 5.0 with a high-speed connection, stable transmiion, accurate data, Longer Acceptance Distance.2.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 Alarm3.Compatible with multiple models, 2 sensors, 3 sensors, 4 sensors optional4.Prevent tire burst, extend the tire's life and save fuel5.Exchange The Tire Position Freely : Type: Smart Car & Motorcycle Tire Preure Monitoring SystemPreure Range: 0~6.8barWorking Temperature: - 40 ~ 125Preure Accuracy: 0.1 bar/ 1.5 psiWirele Working Frequency: 2.4GHzDisplay: APPBattery Replaceable: YesBattery Life: 1~3 YearsMaterial: ABS + PCWaterproof Level: IPX67