Wicked colors candle holder is great to use indoors or outdoors. Candle holder operates with batteries and the amazing color changes smoothly creating a soothing ambiance. Great for patios, porches, infront of windows. Can be used with or without candles. Enjoy the enduring beauty of color. Watch as it glows from deep within, slowly changing across a rainbow of tones in perfect harmony with the dancing falme of the tea candle. Comes with 4 tea candles.