Brand: DRAGON. Works with an electric motor with a rechargeable battery. Foldable for easy transport and storage. Equipped with wheels for movement on the ground, and tracks for climbing up and down stairs. There are handles for the attendant who controls the chair during use. This type of chair is used to transport people who have difficulty moving up or down stairs, and relies on a track system (the black belt on the side) that helps it move safely on the stairs.