Make hooking up your trailer safer and easier with this intelligent back-up system. Rated a Consumer Reports Best Buy For 2004, it uses ultra-sonic detection technology that monitors three different back up zones nine times per second. The three detection zones are 7', 4-1/2', and 1-1/2' and each zone had its own audible and visible alert. The system automatically activates when your vehicle is in reverse and has an auto self-test that assures it is operating correctly. The sonsor mounts with the license plate. System includes one sensor with 24' cable, one control unit and one installation hardware kit with instructions. Installation is easy and fast requiring only simple tools.

• Detection zone: 150 degrees horizontal, 30 degrees vertical