Extract high purity of crystal salts from Himalayan mountain, elaborately hand craft for stylish decoration. Premium quality. High purity glass Himalayan mountain salt extract, handicraft for elegant decoration. Air purification. Serves as a natural anion generator, it releases negative ions to absorb dust and purify the air. Radiation protection emits an electromagnetic wave after lighting to naturally regulate and eliminate a high-frequency electromagnet generated by the electrical apparatus. Coping with stress, the unique ambient lighting helps ease your mind and relieves stress. The salt lamp can dissolve slightly if it is not used for a long time or in a humid environment. Please wipe with a dry cloth and turn it on.