Design your holiday lighting with these red transparent C7 Christmas light bulbs. Using only 7 watts, these 130-volt candelabra base bulbs burn cooler and use less energy. They even last longer to give you 3,000 hours of trouble free lighting. They are perfect for use in electronic message boards, marquees, outdoor signage like time and temperature signs, or scoreboards. They are UL listed for indoor/outdoor use and come economically packaged, 25 to a box. Let these colorful lights make your lighting come alive this holiday or year round.