As you back up your vehicle the Dolphin® SonarStep silently scans for objects in your blind zone. Unlike devices that utilize cameras and a screen that can be affected by sun glare or a dirty camera lens, the Dolphin® SonarStep offers both an audible and visual alert when an object is detected and notifies the driver of how close they are to an object with a series of warning tones. Easy to install. Just plug speaker into your cigarette lighter and plug the other end into your 7 pin trailer plug. YOU ARE DONE!
Part number: 13803