4 Ultrasonic Parking Sensors: This car reverse radar system is equipped with 4 sensors, double CPU and advanced chip-set for enhanced coverage and detection.
Long Life-Expectation: The car reverse radar system is anti-freeze and rain proof, supposed to work for a very long time.
Safe and Reliable: Once there is an obstacle in the back of the car, the buzzer will alarm, remind you to stop and ensure your safety. The radar system can detect small children and low walls as well.