PAPAGO TPMS100US GoSafe TPMS 100 Wireless Tire Pressure Monitoring System with LED Color Display, Black SIMPLE DIY TIRE PRESSURE MONITORING SYSTEM: TPMS 100 comes with 4 tire gauge fit sensors. 3 minutes easy installation. No professional installation required. LED DISPLAY: Empowered by RF wireless technology,TPMS 100 constantly monitors and displays real time tire pressure and temperature through LED color display.(Range: 0bar ~ 3.5bar / 0psi ~ 51psi) INSTANT SMART ALERT: GoSafe TPMS 100 also equipped with smart notification system that will alert driver when the tire pressure is too low or too high or the tire temperature is too high. EXTRA USB PORT: GoSafe TPMS 100 equipped with one external USB port that allows you to charge your smart devices. You will not lose your 12 volt cigarette socket due to installation of the TPMS. WATER RESISTANCE, DUSTPROOF, AND ANTI-THEFT SENSORS: TPMS 100 comes with 4 water resistance, dustproof and anti-theft sensors. It ensures the TPMS will survive all weather and harsh road condition.