Chair Weight: 38 Pounds (41 Pounds with Battery). Speed: Up to 3.75 MPH with Five Speed Settings. Seat Size: 17.75″ x 11.5″. The Miracle Mobility 4N1 Ultra-lightweight electric wheelchair weighs only 38 lbs. (without battery) and 41 lbs. The dual-controller design also makes it incredibly versatile. The front controller joystick operates 4N1 like a power wheelchair. LCD rear controller operates 4N1 as a power walker that provides electric power, which makes pushing the walker/wheelchair easier. Strong & Thoughtfully Designed. Chair supports up to 220 lbs. And is made of heavy-duty, yet lightweight aluminum alloy, offering peace of mind for the user and caregiver while staying conveniently portable. High Performance Lithium Ion Battery 24V/10Ah. This wheelchair is powerful enough to travel up to 10 miles at up to 3.75 mph with 5 speed settings on a single charged. Specifications of Miracle Mobility 4N1 Ultra-lite Electric Wheelchair. Weight capacity 220 lbs. Seat size 17.75″W x 11.5″D. Open size 25″W x 31″H x 39L. Folded size 13″W x 31″H x 27L. 2 Powerful 250-Watt Electromagnetic Motors. Hand brakes lock wheels in place for additional stability. 2 electromagnetic motors are designed within the wheel hub on the rear tires. Offering quick stopping power.