The Watt Stopper WS-120/277 Automated Wall Switch is a reliable and efficient device designed to control power to various electrical outlets. With a voltage range of 120-277 VAC and a frequency of 60 Hz, this switch is suitable for a wide range of commercial and industrial applications. The ivory color adds a touch of elegance to any room while the open box (no box or instructions) well packaged product ensures easy access to the product for installation. The Watt Stopper brand is known for its quality and durability, making this switch a smart choice for any business or industrial setting. Never installed, no box. It's been sitting in my supply room collecting dust.