New step from Project 2000. This new step is roughly half the weight of its predecessor. The step is composed of 80%plastic and 20% from steel and aluminium. This combinationof parts is the result of a long process of R & D and as a result the steps are highly durable and resistant to corrosion and extremely lightweight. Comes complete with patented quick manual release system for use in emergencies. Energy Input: 3A. This is similar to 27746 but Electronic not Electric.