Create a relaxing and stress relieving atmosphere with these dimmable wall outlet plug-in fragrance lamps. Control the intensity of the light and the fragrance from your chosen fragrance oil or a sliver of a wax melt. Lamps are made of either metal and/or glass. Approximate dimensions: 6"h x 3" diameter. Top metal ring that holds glass cup is removable so the unit can be used as just a nightlight. All fragrances are sold separately.