70 Bulb Dual Color LED Light String ADD-ON SET, 10 Function

This ADD-ON Dual Color® LED string light set requires a starter set (sold separately) for operation. Up to seven ADD-ON strings can be used with one STARTER SET. Dual Color lights change from warm white to multicolor with the press of a button! These energy-efficient, long-lasting LED bulbs feature 9 functions which operate by pressing a foot pedal: steady warm white; steady multicolor; fading warm white; fading multicolor; fading warm white to multicolor; twinkling warm white; twinkling multicolor; twinkling warm white to multicolor, slow speed and fast speed. Indoor use only.