Illuminate your holiday celebrations with our Celebrations LED C9 75-Count 49ft String Christmas Lights. Boasting a constant, bright light, 75 energy efficient C9 LED bulbs, and a UL listed rating, these festive lights are perfect for creating a warm and cozy glow indoors or outdoors. Delight in up to 30 sets connected in series and an energy star certification, so you can safely enjoy the festivities.