The chair works great We used it to get My Mom from car to house up steep driveway and was used for walks. Model Invacare TDX SP Features: Center Wheel Drive Power Wheelchair G-Trac Technology available to keep wheelchair tracking straight Quiet stability lock provides stability and shock absorption while in-motion Traction Control Design for climbing in reverse over obstacles up to 1″ Fully-programmable MK6i electronics for maximum control Specifications: Base Width: 24.5″ narrow, 25.5″ wide Base Length: 35.25″ Turning Radius: Minimum Base Turning Radius: 20.5″ Speed: Less than 6.0 mph Range: Approximately 18.4 miles Product Weight Capacity: 300 lb. Product Weight: Product weight with batteries: Up to 399 lb., narrow Product weight with batteries: Up to 434 lb., wide Comes with. Tilting chair Includes Battery Charger Original invoice $9,886.30 Batteries Replaced 2 years old Only $1,200 OBO