Transform your home into a smart haven with the Sensi Smart Thermostat, designed for compatibility with most residential HVAC systems and often requiring no common wire (c-wire) for installation. Trust in Sensi’s commitment to your privacy—your personal data is never sold to third parties. Benefit from over a century of HVAC expertise, ensuring reliable performance. The user-friendly mobile app paired with a straightforward installation makes it perfect for all skill levels. For further details on compatibility, energy efficiency, and privacy, please check the “Product Documentation” below. Product Details: Brand: Emerson, Model: Sensi, Color: White, Material: Plastic, Dimensions: 5.88" x 3.75" x 1", Weight: 13.6 ounces.