My dad purchased this unit in December 2020 so he could have some mobility his health was failing, he purchased this used from a reproable store he used it once for $700 dollars, he passed in January 2021, the unit I believe needs battery work I would like to get at least $550 dollars for it for my mom or best reasonable offer, US cash dollars only my name is Ken, my son and I can assist anyone needing help to load, if more pictures information is needed email or call me direct, this unit has four wheels a rotating seat most everything is adjustable, this unit is located in New Smyrna beach Florida 32168 at 1260 Roberta Lane, I am home daily emails, texts and calls please from 8 am to 9pm thank you, also the unit is red with a gray seat very  comfortable for a small or a large frame individual