Features: Reliable and easy to install The monitor can be charged via car charger Real-time tire preure/temperature and vehicle battery power monitoring(Displays preure or temperature of 6 tires and vehicle battery power simultaneously) Fixed high/low preure/temperature warnings Instant audio alarm of abnormal preure or temperature Build-in high capacity rechargeable battery Intuitive and clear interface to display the parameters of the 6 tire in turn Sleeping mode available, super easy to install Improve fuel efficiency, extended tire life and avoid abnormal wear of car parts Two preure unit(psi/bar) supply for user to select Conveniently install, water resistant Sensors batteries will last up to three years(you can replace the battery Autonomously, do not need to return to manufacturers) Sensors transmit preure and temperature data every 3 seconds Sensors can detect 0-15BAR tire preure External sensors: Input voltage DC 8V ~ 16V Storage temperature -30degree ~ +85degree Operation temperature -20degree ~ +80degree Frequency 433.92MHz Monitor Dimension 86*57*26mm(L*W*H) Weight 100G Package included: 1 x Tire Preure Monitor Kits