This attractive tea light simulates the actual flicker and color of a natural burning candle without heat and flame. Illuminated by an LED and lithium cell batteries, these candles are safe, flameless, waxless, and heatless. Best of all, they are pet and child friendly. Batteries are included and installed and are not replaceable. Battery power will provide flickering continuously for 50+ hours. Reusable with easy push on/off button. Can be used outside in the wind unlike traditional candles. Holders not included. Comes in a set of 4.