Decorate your home with affordable and long lasting LED Lights. This set of two 25-Light C9 Light Set in Red Color bulbs is the ideal light for decorating roof lines, trees and other structures both inside and outside the home. LED Lights do not have the filaments that produce light and heat in traditional incandescent bulbs that burn more electricity. LED Lights use a chip to convert energy into light. LED lights are cool to the touch and are incased in a colorful plastic covers that are very durable.