Meet the Nest Learning Thermostat. It learns what temperatures you like, turns itself down when you re away and connects to your phone. It has a big, sharp display. And it s proven to help save energy. In independent studies, the Nest Thermostat saved an average of 10% to 12% on heating bills and 15% on cooling bills.Includes: Installation Guide, Mounting ScrewsFeatures: Easy Installation, Energy Star Cert, Smart Home EnabledTech Compatibility: Apple Ios, Android, Wink, NestWattage (watts): 1000wMeasurements: 3.3 Length/Inches, 3.3 Width/Inches, 1.21 Height/InchesCertifications And Listings: Energy Star CertifiedCountry of Origin: Imported Download the free app from iTunes or Google Play and adjust your thermostat from your smartphone, tablet or laptop, even when you're miles away.