Low energy LED bulb flickering flame candle with a real wax outer shell which is safe to use, and particularly suitable for when you have young children around. This electronic candle takes 4 AA batteries and can either be on, off or has a 6 hour timer auto setting so you won't ever fall asleep and leave the candle burning! The candle has a fragrance pad on the inside of the battery compartment lid, and the candle is already impregnated with vanilla scent which will last for approximately 180 days (6 months). After that, you can choose your own fragrance oil to add to the pad, allowing you to change with the seasons. The candles are available in a small 12.5cm size or the larger 18.5cm size, or as a set of two of the varying heights.Designed for decorative indoor use as an ornament or to use outdoors in a sheltered position (ie not left out in the rain).