Unique salt lamp is made from Natural Himalayan salt crystals hand mined in the Himalayan Mountains. Once lit the lamp will emit a calming Amber color. Heating the salt with the included bulb releases negative ions into the air, creating an effect similar to an ionizer, purifying the surrounding air Includes: 6 ft. Power Cord, 15-Watt Light Bulb, Rotary dimmer switch. Material: Himalayan Crystal Salt, Neem wood base. Finish: Natural. Our cord is UL certified, whole lamp is ETL certified The Himalayan Natural Crystal Salt Lamp also works as an air purifier. When lit, the lamp emits negative ions that fight against positively charged particles that cause you to feel stuffy and sluggish. The lit salt crystal clears the air naturally of allergens like smoke, pet dander, pollens and other air pollutants. It dilutes odors so that you can breathe easier.