Rock Salt Aroma Lamp 14cm from Serenity.Bring the health benefits of Himalayan Rock Salt to your home with this 100% natural and 100% unique salt lamp with the added benefit of an oil dish to add your choice of aroma to add to the relaxing experience.Himalayan salt emits a stream of negative ions into the air, acting as a natural air purifier. Other reported health benefits include:- Improved sleep- Elevated mood and happiness- Reduction to electromagnetism emitted from appliances, computers and mobile phones- Immune system boost- Reduced stress- Increased energy levels- Reduction in symptoms of asthma and allergies- Dehumidification properties reduces air born pathogens 160 x 110 x 110mm (HWD)