Pyramid Himalayan Salt Rock Lamp with Dimmer Switch Pink Sea Salt Crystas, by JIC Gem (PS01) 7" / 4-5 Lb Special Material: Hand-carved Pyramid Salt lamp is made from Natural Himalayan salt crystals hand mined in the Himalayan mountains Natural Air Purifier - Releasing negative ions into the air by heating the salt with the included 25 Watt bulb to creating an effect as natural anion generator and purify the air. Good for a small room of 50-80SF. Pyramid in 4-5 LB, Length & Width: 5" Height: 7". Pyramid will bring more energy as usual 6Ft UL listed Power Cord with 25W bulb, make the light perfect shinning on your room & bring purified air, use 15W or 25W replacements the bulbs About Service Please feel free sent to e-mail for us if you have any questions with your purchase, our team are here to reply you within 24 hours. Your satisfaction, our promise! Wet - Salt lamp is made from natural himalayan salt rock. Salt itself has the property of moisture adsorption, So it will "sweat" when the humid environment. You can turn on the light (1 hour), water droplets on the surface of the lamp soon dried up. Then wipe the outside surface with a damp sponge and dry with a paper towel Remove plastic from your salt lamp. Rotary screw the light bulb firmly into the power cable fitting. Gently push in the metal clips and insert the fitting into the base of the salt lamp until the metal clips spring into place. Check power point switch is OFF. Plug power cable into power point. Turn on power and your salt lamp is ready to go!