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PTR is a track based stairclimbing wheelchair/stairclimber for people with special needs, a tracked stairclimber that helps you safely convey wheelchair users up and down stairs. Feature include Electronic overload protection,Electronic tilting sensor incl.,speed control, Acoustic and visual driving angle warning Microprocessor controlled operation system, Integrated diagnosis system, Operation time read out system, High autonomy: up to 50 floors, Drive direction LED, Key switch, Emergency stop, pushbutton
