The lights don't will need to remain on for the whole length of the time delay if a person is merely dropping off mail or other products. LED lights are becoming increasingly more common in residential homes so that it might be worth taking some time to explore some issues you're going to be dealing with if you're attempting to dim those varieties of bulbs. SKY LED They can be a very useful tool in your home, especially if you are environmentally conscious or want to save money in the long run.