1. This product is designed for user's simple operation. 2. The reducer with dual back drivers is used to ensure the stability and reliability of driving. 3. Advanced controller, easy operation system. 4. Seat design complying with Human Engineering provide user with enough coziness, 5. The whole wheelchair could be folded and the pedals could be dismantled, easy for package, delivery and storage in household. 6. This electrical-driven wheelchair is composed of vehicle frame, wheels, seat, handrails, storage battery, motor and controller etc..