This dark blue 6" ceramic tart warmer can be used to warm scented tarts to fill a room with your favorite fragrance. You can also add a few drops of scented oils. On/off switch built into power cord. Light bulb included and UL Approved for safety. Can be used as a tabletop nightlight. The tart dish is removable for easy cleanup. Comes in a decorated box for resale or gift giving. 20 watts of power.