With wooden base and wooden Tree of Life design Height: 24 cm Base: 8 x 21 cm Includes lamp holder wire and bulb By diffusing negatively charged ions, salt crystal lamps can RESET THE NATURAL EQUILIBRIUM altered by cigarette smoke, electrical equipment, and inadequate ventilation.The warmth of the lamp creates a pleasant climate in the room, similar to the air in salt flats. If the humidity in the air is high, it absorbs small amounts of water and returns it to the room.