Super-flat surface-mounted downlight for high requirements. Cylinder housing made of powder-coated sheet steel. Cover ring made of powder-coated die-cast aluminum. Diffuser made of durable polycarbonate (PC) with a smooth surface on the room side for low sensitivity to dirt and to prevent the settling of germs and bacteria. No direct glare thanks to the satin microprismatic diffuser. Suitable for ceiling mounting or wall mounting. Control gear integrated. Cyanosis Observation Index (COI) <3.3.