Qualities that have made SMP an industry leader for more than 95 years, innovation, engineering expertise, superior quality, meticulous testing, unmatched customer service, competitive pricing, and brand integrity, are at the heart of every TechSmart(R) par. Heavy-duty casings around electronics ensure durability. Internal circuitry matches OE design to ensure performance. Plug and play' design means no need for reprogramming. DOT-certified to comply with Federal Motor Vehicle Safety standards. Direct OE replacement matches fit, form, and function of original. All TechSmart parts are guaranteed to meet or exceed OE performance, providing today's technician with the quality parts needed to get the job done right, the first time.