Solay salt crystal lamps from famous Polish salt caves are more than just pretty to look at - they're good for you. They generate healthy ions that cleanse the air. Ever experienced the change in the air after a good rain? Thats from negative ions, and that's what these lamps do, and they don't lose their power over time. Included: Hardwood Pedestal, Free UL Safety approved Dimmer Cord ($15 value) 4ft light unit, on/off switch and 15 watt bulb