Wirele Solar TPMS Tire Preure Monitoring System LCD Monitor Alarm with 6 External Sensors Features: Powered by a lithium battery, it comes with 6 external sensors.LCD Digital displaying, clear to show tire information.Comes with an extra mini USB port, can be charged many time.Rear-time monitoring preure & temperature of 6 tires at the same time.Low air preure/high temperature alarm.High temperature / leakage / low battery alarm.New gravity acceleration algorithm, using the concept of stereo displacement awakening, data second dynamic update.The receiver/sensor adopts the vehicle gauge grade heat-resistant battery, super long lifespan.Specification:External Sensor Parameters:Working Temperature: -40 ~ +105Storage Temperature: -40 ~ +120Preure Measurement Range: 0~116psi(0-8bar)Preure Accuracy: 1.5PSI0.1barTemperature Accuracy: 3Transmitting Power: Other Acceory Please note that the new type and old type of this product will be sent randomly,and make sure you will not mind before ordering.