Each lamp is hand-cut so each lamp is an original work of art. Perfect for home, office and spa. Makes a great night-light. Includes 15w bulb, 6 foot cord with on/off switch. Size and color may vary due to the nature of rock. Himalayan Natural Air Purifying Salt Lamps are 100% authentic, hand-cut and produced in the largest stretch of the Himalayan mountains known for its infamous pink salt. Our salt lamps feature UL approved power cords, your assurance of the highest standard of safety. Pure Himalayan Salt Works Lamps are beautiful to look at. They also act as a natural air purifier by emitting a stream of negative ions into the air. These bind to positively charged dust particles leaving air fresher and cleaner. Excellent for those suffering from allergies, sinus congestion and stress. Also known to increase energy levels and rejuvenate the body. Size and color may vary due to nature of rock.