Advanced ultrasonic technology matches object detection range of OE units, ensuring driver is alerted of objects within vehicle's path. Designed to match OE units in fit, form, and function for peak performance. Matches OE design 1 to 1, ensuring direct-fit replacement and ease of installation. All TechSmart(R) parts meet or exceed OE performance, providing today's technician with the quality parts needed to get the job done right, the first time.