1.Alarm with LED display 2.Esay to install 3.2 years warranty 1.Car entry level rear 4 parking sensor system2.Detection range:0Cm~2.8m3.Ultrasonic frequency: 40KHz4.Display distance:30cm~2.8m, obstacles orientation indication5.Built-in installation as original configuration,compatibility design,suitable for imported and homemaded car.6.Unique design alarm on obstacles in front of the car ,when ...