Auto rear view mirror LED reverse parking sensor system 1,Rearview mirror display 2,Super thin rear mirror only 5mm Rear view mirror auto LED reverse parking sensor system 1,Rearview mirror display2,Super thin rear mirror only 5mm3,Numeral and color LED display4, Step-up buzzer alarm5,Left and right obstacle indication6,Numeral display from 1.8m to 0.3m 7,Display unit with built-in buzzer