Alika is an aluminium roller shutter shading system with adjustable slats, it can be raised and lowered and which retracts like a standard roller blind. In its lowest position Alika allows the gradual orientation of the slats to adjust the levels of light and air entering the room. It has a smooth and noiseless operating. With Alika is possible to live their own spaces with the maximum comfort, without sacrificing privacy. The using of Alika is simple and affordable for everyone, it can be operated with common electric motors available on the market (with the push-buttons or via their remote controls). Alika can be integrated into domotic systems, it contributes to energy saving and to the passive safety of the house.