Himalayan salt lamps are based on the 600 meters underground in the natural crystal salt formed 200 million years ago， refined， with the release of negative ions， purifying the air， odor removal， disinfection and other effects; another light emitted soft lighting can calm the nerves， there help sleep; salt crystals radiate the body's natural Schumann resonances with the same frequency.Body material: CrystalMaterial: glass lampshadeThe light source type: incandescent lampProcess: hollow carvedIf the lights with light: with lightVoltage: 220VApplication: study the living room bedroom space