They have a small chip inside them that modulates the LED’s light to flicker like ... to buy an electronic candle that used one of the LEDs actually shaped like a flame, and to drill a hole ...

[Kevin Darrah] recently went out to dinner at a restaurant that was using some cheap LED candles (yuck ... the patterns programmed into the fake flame repeat over and over again.

Specifically, this set includes a 4", a 5", and a 6" pillar (each 3" diameter) candles. Incredibly realistic flickering flame LED Candle, flame simulation technology makes the candles flash so ...