The model is always equipped with variable height backrests up to a maximum of 18 cm, adjustable by electric motors located inside the sofa. The engines can be operated with simple and intuitive buttons located on the inner sides of the seats. Relax versions have seats fitted with electric motors only, and its controls are placed next to the buttons that act on the backrests. The seats movement is independent of that of the backrests. Motorized seats and backs, with their combined action can satisfy any need of comfort. All the elements, both fixed and with relax mechanism, are modular and can be assembled by means of a bayonet fixing hook.