Descriptions:1. Installation is simple, it never damage to original car brake system2. System gets power when the gear is on the parking position, cut power when gear exits parking position3. Product is compatiable with aftermarket car DVD and camera4. Human voice remind and alarm with real distance alert and display5. Auto brake action in the danger area without pressing the brake6. Auto brake distance 0.7/0.9/1.1/1.3m can be adjusted by switch7. Auto brake function can be disabled by turn on direction light8. Parking sensor alarm distance range: 0.3-1.5m9. Recommend parking speed is less than 3km/h10. Sensor sensitivity can be adjusted by switch

*There may be some differences on different spare parts . Please adhere to the actual product instead.