Warns With An Audible Alarm Prevents Embarrassing Parking Lot Moments Sensor Can Mount In A Discrete Manner In The Front End No Drilling Required Advanced Infrared Triangulation Technology Warning Distance Is Adjustable From 8-28 Alert Sound Volume Can Be Set To High, Low Or Mute You protect your front bumper with a mask, well wheels with splash guards, body paint with Cleartastic and wax, well what is protectiong the lower spoiler or bumper? Here it is. Now you can install a system that will notify you when you are nearing an item like those dreaded concrete tire stops in parking lots. This unit warns you before you run on top of it and damage your lower spoiler or worse split the bumper. This unit is especially needed for those that have lowered the car for more performance or just that great look. Simply to install instructions included.