National Tree 70 Bulb Indoor/Outdoor Dual LED Starter Light Set with 5-Function Foot Pedal and Transformer (LS11-801-70) 70-bulb low voltage Dual Color LED light string set STARTER SET with foot switch and transformer, up to seven ADD-ON strings can be added (sold separately-model #LS11-802-70) Lights change from soft white to multicolor with the press of a switch Switch controls 5 functions: steady soft white, steady multicolor, fading soft white, fading soft white to multicolor, lights off For indoor use only