Add some pastel colours to your Christmas decor using the Novolink Multi-Colour Icicle LED String Light With Wireless Smart Control + 200 Light Add-On ($50, originally $80). It has 200 lights on a 13.6-foot-long strand that can be controlled using the Novolink D-Lights app. The lights have six different flashing modes to achieve your desired display: phasing, twinkle in phase, fast twinkle, fade away in phase, fade away, and constant.