Recessed modular system that permit to cut the plasterboard. For straight cut, rectangular cut, "L" cut, etc. It is possible to join different dimensions elements. To fix, to plaster and smooth horizontal or vertical wall. Available different light sources:!QR111 G53, halogen QRCBC51 GY6,65, HQI G8,5, CDMR111, HQI G12 CDMT, HQI E27. Sources to hang directly on the frame. Available black or white metal box cover in different dimension and perforated to fold it easily directly at yard. It is possible to install spotlight or fluorescent mono/double lamps T5 elements with diect light and electronic ballast and/or dimmable switch to complete with satin metacrylic diffuser.