Car Door Collision Warning Light

🚪 Automatic Flashing LED – 3 Years Cells Battery 

🔋 Battery-Powered Sensor – Magnetic or sensor-triggered, works wirelessly with included batteries  

🌧️ Weather-Resistant – Built to withstand rain and road conditions  

🛡️ Improves Safety – Helps prevent rear-end collisions—especially at night or in crowded places