Say goodbye to bathroom moisture problems with the Legrand Pass and Seymour HSWF3W. This innovative humidity-based fan control adds intelligent moisture detection to any fan or ventilation system, helping you maintain a dry, mold-free environment. The HSWF3W's smart sensors adjust to solve moisture problems efficiently, making it an ideal solution for bathrooms, laundry rooms, or any space prone to humidity. By automatically activating your fan when needed and shutting it off when the air is dry, this device not only fights mold but also saves energy. Upgrade your home's ventilation system with the Legrand Pass and Seymour HSWF3W and enjoy a healthier, more comfortable living space.