First-generation reversing horn reminder, second-generation buzzer reminder, third-generation digital tape display, fourth-generation LCD display, fifth-generation mirror reversing radar and sixth-generation wireless reversing radar.

After five years of development, the reversing radar system has undergone six generations of technical improvements. These six generations of products have their own characteristics in structural appearance and performance price. The four types of reversing radar are digital display, screen display, anti-glare and magic mirror.