Lighting Products and Lighting Projects Design L.S.P. Indoor and Outdoor Lightning Unit by Hakan Gürsu L.S.P. is a both outdoor and indoor lightining unit which enables to attach to other unit. It is a remarkably easy to manufacture and easy to assemble bench with less material possible. It has strong extrusion aluminum body and there is specialized part of that body which provides connection between body and cables. Also L.S.P. unit can contain different color leds so this is another species which differentiates from similar market products. Also L.S.P. provides seamless light when attached to other unit. Also because of structure, cooling part is also part of main body.