1Powered by a lithium battery, it comes with 6 external sensors. 2LCD Digital displaying, clear to show tire information. 3Comes with an extra mini USB port, can be charged many time. 4Rear-time monitoring pressure & temperature of 4 tires at the same time. 5New gravity acceleration algorithm, using the concept of stereo displacement awakening, data second dynamic update. 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 pressure & temperature of 6 tires at the same time.Low air pressure/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 ~ +105 Storage Temperature: -40 ~ +120 Pressure Measurement Range: 0~116psi(0-8bar) Pressure Accuracy: 1.5PSI0.1bar Temperature Accuracy: 3 Transmitting Power: