From the Manufacturer This battery operated pillar candle features Triple LED design, utilizing computer chip to create randomized flickering effect. Dual Brightness Modes, (Bright and Dim), Runs on Four AA batteries for up to 180 hours in Dim Mode (80 hours in Bright mode). As bright as a real flame. Product Description As realistic as the real thing but without the worries of having a lit flame. Safe for kids and pets. more info