Quickie Salsa M2 4mph Powerchair Seat Width: 41 / 43 / 46 / 48 / 51Seat Depth: 41 / 43 / 46 / 48 / 51Floor to Seat Height: 43 / 45 / 47 / 49Seat Lift Height: 30 (Optional)Seat Tilt: 0° / 3° / 6° / 9°, adjustable (Standard)0° to 30° (Powered) Backrest Height: 46 / 48.5 / 51Backrest Recline: -4° to 16° (Standard)-5° to 30°, adjustable (Optional)-5° to 30° (Powered) Armrest Height: 24.5Speed: 6 km/h (3.7 mph)Battery Size: 36AhMax.