CAR ROVER Wireless TPMS Tire Pressure Monitoring System with 4 External Cap Sensors (0-5Bar/0-50.75Psi) TIRE PRESSURE MONITORING: The premium wireless tpms provide 4 tires' real time air pressure and temperature on the screen, so the warning light and audible alarm will sound immediately when the tires pressure or temperature thresholds are exceeded. In addition, the digital tire pressure monitoring system is suitable for most 4 wheeled vehicles or tire pressure value in 3.5 bar car series which means you can install the tpms on your car, rv trailer, travel trailers, truck, etc. MORE FUNCTION & FEATURES: The tire monitoring system supports visual and audible warning for abnormal tire pressure and temperature, tire leaking warning, Bar/Psi pressure, / temperature unit for selection. Also, this tire pressure monitor comes with LCD screen which can clear showing data and reading at night REPLACEABLE UNIVERSAL BUTTON CELL BATTERY: The sensors comes with long time battery lifespan over 5 years and the battery can be replaceable when it's run out and the stable wireless signal transmission without radio interference, buy yet accurate and reliable. EASY DIY INSTALLATION: You can install this tire pressure monitoring system within 5 minutes by yourself, No need for destroying tires or connecting any wire or matching debug, waterproof, dustproof and anti-theft design. 1 YEAR WARRANTY: Buy with confidence! We offer a 12 month replacement warranty and brand new replacement post within 24 hours if any defective product when receive.