Features:Tire Preure Monitoring System(TPMS),which lets the driver get the real-time tire preure data,temperature data and status,always keeping an eye on your car's performance.Support shows four wheels' tire preure and temperature simultaneously,high/low tire preure alarm,high temperature alarm and air leakage condition alarm.Real-time notification of the tire preure condition of each tire, the driver can guarantee the preure balance of the four tires according to the tire preure value, so as to achieve smoother running.After fix the sensor on the four tires, the receiver can be sitting on any surface of the car. When the vehicle is started, the built-in displacement sensor of the host computer automatically starts the host without manual startup.When a tire tire preure is too high or too low when the host iued an alarm sound and display the tire preure value, and locate the tire tire preure is not normal to quickly find the problem of tires.When a tire temperature is too high, the host alarm sounds and displays the real-time tire temperature value, and locates the tire with too high temperature so that the driver can make corresponding treatment.Combining with the solar energy display,There is no need to connect the power cord and it saves precious on-board power supply ports.Specification:Display screen:LCDOperating temperature: -20 ~ 70Working voltage: 5VDaytime operating current/Night operating current/Standby current: 8dBm Open Distance:30MBattery(each sensor):1*CR1632 3VSensor size(each): Approx.2*2*2cm/Packing list:1 x Tire preure tester4 x Sensors4 x Anti-lost nuts1 x Portable tool1 x Charging cable1 x User Manuall(English)