Mobility Lifter is the North American distributor for the LiftKar PT. The LiftKar PT is a battery-powered, attendant-operated PORTABLE Stair Climber. Use on Angled, Curved or Spiral stairs of most stair materials-carpet, wood, steel, concrete, etc. Outdoor and Indoor use. Disassembles into 3 parts, so it is easy to transport and stow. First responders know all too well how difficult it can be to navigate a stairway with a person that is not able to walk. In any emergency situation involving stairs, the LIFTKAR-PT could be the answer to getting people to safety.