Long Lasting Backto20s&reg; 18 PCS LED Battery-operated Warm Yellow Flameless Tealight Candle for Wedding Holiday Christmas Party Church Longer use time. Use the bigest button battery(CR2032), the light time is increased to up to 72 hours. More realistic flicker light, adopting 2014 latest technology, brighter than usual candle lights. Better quality plastic, these products look more like real wax tea light candles. Supply quality OEM replacement batteries at lowest prices. http://www.amazon.com/gp/product/B00HWLA5UU Package include: 18 X Warm Yellow Led Flameless Candle, 18 X coin batteries (inside the candles)