multi color LED candle; color auto changing; value candle engine; Available shapes and sizes: Pillar: 3"x3", 3"x4", ... : white, yellow, red, green and blue. So currently a single color LED candle could be white, yellow, red, green, or blue. It ... the Difference Between A Color Changing LED Candle and A RainbowCandle A color changing LED candle is a LED candle which color changes automatically from red ...