This attactive wax tart warmer will add a pleasant scent to any room. Add your choice of fragrance to the dish, flip the switch and in very short order the rooom will be filled with the pleasant scent. The wax is melted gently by a 15 watt bulb and the bottom of the light is vented allowing light to shine through which provides a useful night light. The unit measures approximately 5" high and 3" wide. The tray at the top can be removed for cleaning if required. For other night light units as well as many useful and unusual craft items please visit our Amazon storefront. We have the creatvie components you need.