Cranberry chair-lamp is the element of city-furniture with inside-lighting, which is also suitable for indoor usage. It is usable in domestic conditions either as in public spaces. It is possible to change its positions into a sliding-bearing rotational and easily mounted on the ground or floor. The cranberry chair, which works as a lamp also, is lighted by autonomously installed floodlighting with a wide beam sunk into the soil or also – by the light source, installed into a volume crust. For using in outdoor spaces, the seat is equipped with the open-tunnel for the drainage of rain and wash water.