The Summit Indoor Stair Lift from Harmar is a great solution when walking up and down your indoor stairs is no longer an option. With a cable-operated system that uses steel aircraft cable rated at 4,200 pounds breaking strength, you are guaranteed a smooth and safe ride. And quick too at a speed of 20 feet per minute. One of the features of this unit that separates it from its competitors is that the seat swivels a full 90 degrees at the top and the bottom of the lift, this allows for safe entry and exit of the stairlift. It also has safety sensors on each side of the footplate which stops the lift if there are any obstructions on the track. And call/send stations both at the top and bottom of the unit makes it convenient no matter where you need it.