Smart Car TPMS Tire Preure Monitoring System Solar Auto Display Alarm Monitoring USB Charging Temperature Alert With 6 SensorsFeature 1. Just plug it into the car's cigarette lighter, drive the car, and it will open automatically.In addition, it has a USB charging port on the outside, which can charge your USB devices, such as mobile phones and tablets. 2. Colorful LCD Digital displaying, clear to show tire information. 3. Rear-time monitoring preure & temperature of 4/6 tires. 4. Low air preure/high temperature alarm. 5. High Temperature / Leakage / Low Battery Alarm. 6. Wirele connect by sensors, easy install. 7. Build-in sensors and external sensors options, meets all your need. 8. Fit on almost 98% cars on market. Specification: Material: ABS+PC Sensor Type: External/Built-in sensor Monitoring Temperature Range: 4068 6-wheel Preure Range: 0 Bar8.0 Bar 4-wheel Preure Range: 0 Bar~3.5 Bar Temperature Accuracy: 2 Preure Accuracy: 0.1bar Working Frequency: 433.92MHz Voltage: 5V Quiescent Current5uA Working Current15mA Working Temperature: -2085 Screen Size: 95*65*25mm Sensor Voltage: 2.1-3.5V Function: Tire Preure/Temperature Monitoring Charging Method: USB/Solar Charging Build-in Sensor ( Optional ) -Please install in by Profeional car center -More stable and accurate -Anti High Temperate and Cold -IP67 Protection / Waterproof -Working Temperature: -40-125 -Battery Life: 5 Years External Sensors (Optional) -Easy to install, convenient to replace -Dust-Proof / Water-Proof / Anti-theft -Anti High Temperate and Cold -IP67 Protection / Waterproof -Working Temperature: -10-85 -Battery Life: 2 Years, replaceable