https://www.fujischelevator.com/products/mrl-passenger-elevator.html An MRL passenger lift is a type of elevator that stands for machine room-less passenger elevator, which means it doesn't require a separate machine room for its motor and control systems. It is a compact and efficient design that saves space, time, and cost. MRL passenger lifts are green, energy-efficient, and fitted with cutting-edge technology including regenerative motors that transform kinetic energy into useable power and destination control systems.