... 4,1 year warranty 5,4 sensors LED(4)Speaker Warming Led Display Car Parking Sensor System(four sensorsUnparalleled Competitive Advantages:Ultra ... :Parking sensor, auto-start when back up.Obstacle distance in digital displayed on “8.8” format and dual 7-color-LED- ... bar.Voices (in English) like “Stop”, “0.6m”, “1.0m”, “1.5m” can tell different parking status user-friendly4 ultrasonic sensors with ...