Special Features: Digital display screen with a compass Compatible with any cars Alarm in three-stage sound: BiBiBi Automatic detecting obstacles once reversing gear is activated Super-wide detective angle prevents side impact LED indicator shows 2 distances: Rear left, rear right 2 or 4 sensors available to satisfy full needs of customers Different color choices for sensors to match with any colors of car Our all kinds of sensor colors and styles are available High-quality and easy to install