The lights provide dusk to dawn detection, which means that it will keep the light turned off during the day.
In fact, the light is only going to come on when someone moves into the detective range when it is dark outside.
You don't have to worry about turning on the porch light when you leave since this bulb will ensure it is done automatically for you each time you leave.
You can install this light in any space, including stairways, your attic, laundry room, gazebo, the deck, work room, basement, closet, washroom, hallway or garage. The color of the bulbs are warm white, cool white, pure white, are all available.