The Legrand WattStopper ELCU-200 Emergency Lighting Control Unit is a high-quality product from the trusted brand WattStopper. This unit is designed specifically for controlling emergency lighting systems in commercial and industrial settings. With its reliable performance and energy-efficient features, the ELCU-200 is an essential component for ensuring safety and functionality in critical lighting situations. Easy to install and maintain, this unit is a valuable addition to any facility's lighting control system.