Feature 1、Powered by a lithium battery, it comes with 6 external sensors. 2、LCD Digital displaying, clear to show tire information. 3、Comes with an extra mini USB port, can be charged many time. 4、Rear-time monitoring pressure & temperature of 4 tires at the same time. 5、New 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: ±1.5PSI（±0.1bar） Temperature Accuracy: ±3℃ Transmitting Power: <10dbm@50Ω Transmitting Frequency: 433.92MHz TPMS Receiver Parameters: Working Temperature: -20℃ ~ +80℃ Storage Temperature: -30℃ ~ +85℃ Input Voltage: DC 5V Transmitting Frequency: 433.92MHz Material: ABS Plastic Color: Black Package Weight: approx.548g/19.3oz Application: fit for Camper, Van, Truck Package list: 1 * TPMS Receiver 6 * External Sensor 1 * User Manual Other Accessory Note: 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.