IndusClassic LN-04 Set of 2 Natural Himalayan Crystal Rock Salt Lamp Ionizer Air Purifier 6~9 lbs, UL SALT LAMP - Set of 2 - Each Salt Lamp Comes With 15-watt Bulb And 6-feet UL Listed Electric Cord With Dimmer Control Swith. Salt Lamp Estimated Ions effectivete area 45 - 49 Square Feet. HIMALAYAN SALT CRYSTAL IS A NATURAL AIR PURIFIER : Salt crystal lamp emits negative ions that fight positively charged particles such as pollens, pet dander, smoke and other pollutants which help to breathe easier. BEST QUALITY AND AUTHENTIC 100% PURE HIMALAYAN SALT CRYSTALS FROM PAKISTAN : IndusClassic makes the best quality Himalayan Salt Lamps - salt crystals are hand mined in the Himalayan Mountains In PAKISTAN, specially handcrafted for uniqueness. PROTECTION AGAINST RADIATION: When salt lamp lid up, it can emit a electromagnetic wave, which can naturally adjust and restrain high-frequency electromagnet wave generated by electric appliance. UNIQUE PACKAGING DESIGN WITH OWNER MANUAL - It Is Perfect Gift For Every Occasion. Packed In Quality Indusclassic Brand Packaging Designed To Explain In Detail Product Benefits & Technical Detail.