Mountain Gold Heart-Shape Himalayan Salt Lamp on Marble Base With 25W Bulb and 6-ft Cord With Dimmer Switch, CSA Certified For Canada/USA, Natural Himalayan Salt Crystal Rock Approximately 7-inch, 6.6-lbs. NEW! Uses a rotating dimmer switch - set it from very dim to full 25 watts Made of hand-crafted salt crystal rocks from the foothills of the Himalayas CSA Certified for canada and USA Cleans and purifies the air, and reduces electromagnetic pollution to induce feelings of tranquility and peacefulness Improves mental alertness, mood and concentration, and increases energy levels and promotes overall wellness