The EZ-Glide with Powertraxx provides maximum safety when going up and down stairs using an electronically controlled motor and direct drive transmission with chair tracks. The tracks and motor carry the patient load, not the operator. Enjoy maximum performance on every call with intelligent power system that runs up to 20 flights of stairs per charge. The chair's easy operation when climbing or descending stairs with intuitive, easy-to-use paddle-style controls keep you in control.