Enhanced Safety and Efficiency: This advanced Solar TPMS (Tire Pressure Monitoring System) enhances your driving safety by providing real-time updates on tire pressure and temperature. It alerts you to any discrepancies, helping prevent accidents and tire wear. Fuel Saving: Proper tire pressure monitoring ensures optimal fuel efficiency, on gas and reducing environmental impact. Easy Installation: The system includes four external sensors that are simple to install on any car tire, making setup a breeze. Eco-Friendly: Powered by solar energy, this system is environmentally friendly, reducing the need for disposable batteries and promoting sustainable driving habits. Color:Black Material:plastic Package Contents: 1 * Receiver 4 * Sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.