This season make your holiday lighting eye catching with color changing C9 LED Christmas lights. When illuminated, the intermediate base, faceted clear bulbs slowly cycle through red, blue, green, yellow, orange, and purple. Cool to the touch and almost 10 times more energy efficient than incandescent, the virtually unbreakable bulbs average 50,000 hours and are not dimmable. UL listed for indoor/outdoor use, they are economically packed 25 to a box and feature 5 LEDs per bulb. Create a dynamic lighting display with these sparkling and unique LED Christmas lights.