Remember your loved ones with this LED grave light. The energy efficient LED ensures a realistic flame effect. For even more efficiency the grave light is equipped with a 6 hours on/18 hours off timer, which enables an extra-long battery life time of up to 45 days*.Thanks to the IP44 rating, the LED grave light is water and rain resistant and can therefore be used indoors as well as outdoors.NOTE - The actual battery life depends on various factors like battery capacity and weather conditions.