Structure of the outer frame in 50x20 steel profiles, and the inner frame in 25x25 profiles. Oven-dried epoxy-polyester paint. 4000 N electric drive motor, with Rest function for resetting in case of power failure. Fixed legs of 26 cm, with the possibility of putting 30 cm legs. Mattress holder arch. Possibility of adapting a set of railings and a set of headboard/footboard.