Universal LCD Wirele Tire Preure Monitoring System TPMS port Auto Security Alarm Systems Tire Preure with 4 External Features:Safer Driving: Equipped with a tire preure monitor for your car, you can reduce tire wear, prevent puncture accidents, save fuel and extend tire life. The car tire preure monitoring system allows for your safe driving.Real-time Tire Preure Control: The sensors with a nut connect the air bonnet of each tire and communicate wirelely with the screen while the vehicle is in motion. You can see the temperature and preure of 4 tires in real time through the LED display.Check the Tire Preure and Temperature: The tire preure monitor can preset the value of the tire preure and the temperature value. When the preure or temperature exceeds the preset value, there will be an alarm within 2 seconds to remind you of abnormal conditions and you can take appropriate action on time.Installation: Place the monitor on the cigarette lighter, unscrew the original valve core and replace it with the sensors. Please follow the following instructions: 0-Front left, 1- Front Right, 2- Left Rear, 3- Right Rear, otherwise, the screen does not match the correct tire.Compatibility and USB Charging: Feature IP67 protection rating, waterproof, dustproof and sand proof, suitable for most cars with a 3.5 bar tire preure range. With a USB charging port, you can easily charge your device, like Mobile Phone, tablet, etc.Specification:Type: Tire Preure Monitoring SystemSize: about 5.7 * 4 * 8 cmProduct Weight: about 37gSize of the LED Screen: 3.2 * 2.5cmMonitoring Range: 0 ~ 3.5 BarCharging Method: Cigarette lighter power supplyWorking Temperature: -30 - +85CBarometric Accuracy: 0.1 BarAccuracy of Temperature: 1CAdjustable Range of Maximum Tire Preure: 2.8Bar-3.5Bar / 40Psi-51PsiThe minimum Tire Preure Can Be Set: 1.1Bar-2.0Bar / 16Psi-29PsiThe maximum Temperature of the tire can be set: 40C-90C/104F-194FWaterproof Rating: IP67Voltage: 12vSensor: Waterproof and dust proofSensor Quantity: 4 external sensorsSensor Battery Type: Replaceable CR1632Sensor Battery Life: About 2 years (depends on driving time, weather, etc.)Package Included:1 x Tire Preure Monitoring System4 x External Sensors1 x Wrench4 x Nuts1 x User Manual