The Grasslin Motion detector Lighting control and they are surface-mounted or flush-mounted, talis detectors are ideally suited for use both indoors and outdoors. Bringing together energy efficiency and cost savings, safety and comfort all with very little effort. The motion detectors can be used to detect movement indoors and also in outdoor areas with low levels of daylight. The devices reliably detect a wide range of movements and only activate lighting when it is actually required.