Great Atmosphere Creator: These red light bulbs emit pure and comfortable red lighting, which is the most ideal decoration outdoor light bulbs for porch lights, Christmas, Halloween, and Valentines Day. Energy Saving: Enjoy pure red lighting without the high electric bills. 9watt A19 black light bulbs replacement are equivalent to 60watt incandescent bulbs, saving energy up to 90%. Safe and Long Lifespan : Even work after 24 hours then keep working, 30,000 hrs lifespan. Compared to incandescent bulb, this LED Red bulb is more safer without flicker and mercury pollution. It is perfect for indoor and outdoor lighting.