Motion sensor lights became very popular and are being installed both indoor and outdoor. Motion sensors can identify movement within a space and automatically activate a light fixture. They are very efficient for use and can help in situations when you carry something heavy to one of the rooms and it is not comfortable to turn the lights on. A good example may also be carrying something outdoors when it’s dark and you cannot find the light switch. Motion sensitive lights will make your life safer and will reduce your costs of electricity.