LBNL is a U.S. Department of Energy national laboratory located in Berkeley, California. It conducts unclassified scientific research and is managed by the University of California. Watt Stopper/Legrand is a leading manufacturer of lighting control products for commercial and residential applications. Commercial products include occupancy sensors, lighting control panels, daylighting controls, DALI dimming controls, plug load controls and energy auditing tools. Residential products include Miro architectural wiring devices and wireless RF controls and residential motion sensors.