LED is short for light-emitting diode, and while LED bulbs have been around for decades, the technology that allows them to shine brightly after dark is a relatively recent arrival. 0:00 / 0:00 ...

Phillips Dusk-to-Dawn LED bulb will take any outdoor light fixture and convert it to a dusk to dawn light fixture. It’s a soft white, 60 watt, LED, so it will stay cool to the touch.