Wireless solar tire pressure detection $ 8.17 Features: Type: TPMS smart solar car tire pressure Solar charging, no need to connect car cigarette lighter Clear and colorful LCD digital display can display tire information Rear tire pressure and temperature monitoring for 4 tires Low air pressure/high temperature alarm High temperature/leakage/low battery alarm Intelligent shock absorber when driving, no need to open/close Wireless connection via sensors for easy installation You can define two modifiable units (PSI/bar).