A great alternative to real flame tea light candles, these Flickabright candles will switch themselves off after six hours, and then relight, themselves eighteen hours later at the same time each day which is ideal for conserving battery life, or when placing somewhere with tricky access. Please note the dimensions of these lights as they are larger than some standard tea light candles. The candles have a 45mm diameter, and an overall height of 50mm (including the flame), or height of just the candle is 25mm. 2 tealights includedEach light requires 1 x 3V CR2450 battery (included and replaceable)Real waxArtificial flickering amber/warm white flameIndoor use onlyThese candles do not generate heat, DO NOT use in food warmers!!