Efficiency, brass wall lamp, and polycarbonate diffuser. ISP Wall can be positioned horizontally or vertically at the head of the bed, in a hallway, in an alcove... Created by the young inventor Ilia protamine, the ISP lamp is a 21st-century flint: no switch, no dimmer, no bulb. This contemporary object is a jewel of mechanics and light that illuminates a mysterious universe of simplicity, sobriety, and elegance.