Realistic led candles - ranging from 10cm to 20cm. our 4 pack pillar candles provide a remarkable, realistic candle effect that's ideal for weddings, celebrations, church gatherings, memorials or for creating ambient home decoration. Authentic flickering flame - our authentic flame candles work by using an led that flickers and dims at will - so you're forgiven for mistaking them for the real thing - unlike conventional electric candles, the led flickers to create the illusion of a real flame ready to use with batteries - powered by 2 x MN1500 batteries which can be found from any store. The warm white led candle can be turned on and off with ease to conserve energy.