"1. Intelligent all-direction color display distance and direction. 2. Two different sound system indication front and rear obstacle distance accurately 3. Digital,direction,sound indication distance and direction 4. Multiple-angle sensor detecting obstacle distance accurately 5. Working well in good and bad weather,strong anti-disturbing circuit design for execellent safety and performance 6. Super slim embeddeding design fitting well like car original part. 7. Various colors and types sensors for choice, efficient detecting distance within 1.5 meters. "