Ferno-0731403 Transcend Stair Chair with POWERTrax provides maximum safety and power when transporting a patient up or down stairs. Featuring an electronically-controlled motor, direct drive transmission, and powered tracks, the Transcend Stair with POWERTrax allows caregivers and first responders to push and pull patient loads of up to 550 pounds up and down stairs with ease. The chair and track system carry the weight, increasing patient safety and reducing operator fatigue and risk of injury.