Using this LED memorial candle is easy. First, open the battery compartment and insert three AAA batteries. Then, place the candle wherever you want to create a warm and peaceful atmosphere, like on a bedside table or a memorial shelf. When you're done using it, simply turn it off. As for maintenance, keep the candle clean by gently wiping it with a dry cloth. Avoid getting the battery compartment wet. Also, replace the batteries when the light starts to dim. Remember, this candle has a faux flickering LED flame, so there's no risk of fire or smoke. Have a peaceful and worry - free experience with it.