The MTI 424 Exam Chair boasts a Tri-Power functionality, encompassing power lift, back, and tilt features, with an impressive 650 lb (295 kg) lift capacity. Its width measures 19.5" (49.5 cm), and the seat height can be adjusted to either 19” (48.3 cm) for low models or 21” (53.3 cm) for high models. Convenient 3-function hand-switches are positioned at the back of the chair, allowing for easy adjustments.