Lifting Capacity: The amount of load a stair lift can handle when moving up and down the staircase

FPM: Feet per minute - Speed at which the stair lift travels

Incline Limits: The minimum and maximum staircase angle degree the stair lift can operate

Drive System: The technology used to operate the stair lift. Most use a rack and pinion

Rail: The track the stair lift runs on up and down the staircase

Riser: A term used when measuring for a stair lift. Risers are the number of steps including the top landing

Tread: A term used when measuring for a stair lift. Another word for a step.

Nose: A term used when measuring for a stair lift. The tips of each step.

Operator Controls: Device used to operate the stair lift. Examples include buttons, joysticks, and pendant controls

Call Sends: Remote controls used to call or send the stair lift to the top or bottom of the staircase

BOS: Battery Operated System

Soft Start/ Slow Stop: Motor Controller that ensures a smooth take-off and descent.

Fold Up Dimension: The total width of the stair lift when it's fully folded against the wall

Unfolded Dimension: The total width of the stair lift when its unfolded on the staircase