Ideal for aromatherapy, dorm rooms, hotels or any place that you cannot have an open flame. Simply plug the unit into an electrical outlet, place a jar candle on the black circle with the lid removed, and turn the switch to "ON". When unplugging from the wall, always grip the plug and pull it from the outlet. Never pull on the cord to disconnect. Create a welcoming and relaxing atmosphere in your home with flameless candle warmers.