Just plug in the lamp, pour a few drops of your favourite fragrance oil mixed with water on the top and feel the fragrance around you. It is safe and no hassles of changing candles required.
Three timer options: 2.5h/3h/Continuous. It holds 120ml/5oz of water and lasts about 4-6 hours, which will be auto-off when water runs out. No worrying about burning up. Made of BPA free material so there are no toxins.