The Advantage conversion is a manual system that does not use electrical components that can fail just when you least expect it. ATS provides the only dual shock assist ramp system in the industry. This system allows for easy stowing and deployment of the ramp system. All of our Advantage conversions are ADA compliant and equipped with the Q-Straint wheelchair restraint system. Our conversions come with a 36 month (nontransferable) warranty which is the best in the industry.