This Tire Pressure Monitoring System features four external sensors powered by solar energy, eliminating the need for cigarette lighter charging. It offers real-time monitoring of tire pressure and temperature with a colorful LCD display for clear readings. The system includes alarms for low pressure, high temperature, leakage, and low battery, enhancing safety. Its wireless sensors are easy to install and replace, with dust-proof, waterproof, and anti-theft protection rated IP67. Operating between -20℃ and 85℃, the sensors have a replaceable two-year battery life. Units can be switched between PSI and Bar for user preference.